Cremation machine flue gas purification device and cremation machine

Abstract

The utility model discloses a cremation machine flue gas purification device and a cremation machine, and the purification device comprises a shell, a spiral heating pipe, an electromagnetic induction coil, a variable frequency transformer, a control unit and a heating pipe monitoring unit, detachable connecting assemblies are respectively arranged at the flue gas inlet and the flue gas outlet, and the heating time of flue gas in the spiral heating pipe is at least 2 seconds due to the pipe diameter size and the number of coiling circles of the spiral heating pipe; wherein the heating pipe monitoring unit detects real-time parameters in the spiral heating pipe and transmits corresponding detection signals to the control unit, and the control unit controls the electromagnetic induction coil through the detection signals; when the device is used, the electromagnetic induction coil can enable the spiral heating pipe to quickly form high temperature, the high temperature is instantly reached and kept above 850 DEG C, high-temperature cracking purification can be continuously carried out on smoke for a long time, the state of the spiral heating pipe is monitored in the whole process under the action of the heating pipe monitoring unit, and harmful substances in the smoke are effectively eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of cremators, in particular to a smoke purification device for a cremator and a cremator. Background Art

[0002] The cremator includes a flue and an exhaust duct. The smoke generated during cremation is discharged from the flue and the exhaust duct. The smoke contains harmful gases and dust, which need to be purified. The current smoke treatment of the cremator mainly relies on the filter device to capture dust, and it is difficult to effectively purify the harmful gases in the smoke. At the same time, the tail gas treatment device of the cremator is affected by multiple factors such as the environment, the burning materials, and the properties of the filter bag in actual use, resulting in the smoke dust removal and purification effect not meeting the design or national standard requirements. Utility Model Content

[0003] In view of the above-mentioned deficiencies, the technical problem to be solved by the utility model is: to provide a cremator fume purification device and a cremator, which can quickly form a high temperature in the spiral heating tube through an electromagnetic induction coil, and perform high-temperature cracking and purification on the fume for a long time, while being able to monitor the status of the spiral heating tube throughout the whole process, and effectively eliminate harmful substances in the fume of the cremator.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A smoke purification device for a cremator, comprising a shell, a spiral heating tube arranged in the shell, an electromagnetic induction coil arranged on the inner side of the shell, a frequency converter electrically connected to the electromagnetic induction coil, and a control unit electrically connected to the frequency converter, wherein a smoke inlet and a smoke outlet are respectively arranged at two ends of the shell, one end of the spiral heating tube is installed at the smoke inlet, and the other end of the spiral heating tube is installed at the smoke outlet, and the diameter of the spiral heating tube and the number of coils are such that the smoke is heated in the spiral heating tube for at least 2 seconds; and the smoke inlet and the smoke outlet are respectively provided with detachable connecting components; the device also comprises a heating tube monitoring unit, which is electrically connected to the control unit, and detects real-time parameters in the spiral heating tube and transmits corresponding detection signals to the control unit, and the control unit controls the frequency converter through the detection signal to adjust the current in the electromagnetic induction coil.

[0006] Preferably, an air volume control valve is disposed in the housing, the air volume control valve is disposed close to the smoke outlet, and the air volume control valve is electrically connected to the control unit.

[0007] Preferably, the connection assembly includes a male connection port and a female connection port, and the male connection port and the female connection port are respectively provided with connection flanges.

[0008] Preferably, the heating tube monitoring unit includes at least one smoke density sensor, each of which is arranged in the spiral heating tube, and each of which detects the smoke concentration in the spiral heating tube.

[0009] Preferably, the heating tube monitoring unit includes at least one pressure sensor, each of the pressure sensors is disposed in the spiral heating tube, and each of the pressure sensors detects the pressure in the spiral heating tube.

[0010] Preferably, the heating tube monitoring unit includes at least one temperature sensor, each of the temperature sensors is disposed in the spiral heating tube, and each of the temperature sensors detects the temperature in the spiral heating tube.

[0011] Preferably, at least one air volume sensor is provided in the spiral heating tube, each of the air volume sensors is electrically connected to the control unit, and each of the air volume sensors detects the flue gas emission flow rate.

[0012] Preferably, a heat-insulating layer is provided between the electromagnetic induction coil and the spiral heating tube.

[0013] A cremator comprises a flue and a smoke exhaust duct, and also comprises at least one of the above-mentioned cremator smoke purification devices, wherein the smoke inlet of each cremator smoke purification device is connected to the outlet of the flue, and the smoke outlet of each cremator smoke purification device is connected to the inlet of the smoke exhaust duct.

[0014] A preferred embodiment comprises at least two of the above-mentioned crematorium fume purification devices, and the two crematorium fume purification devices are arranged in parallel or in series.

[0015] After adopting the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model discloses a smoke purification device for a cremator and a cremator, wherein the smoke purification device for a cremator comprises a shell, a spiral heating tube, an electromagnetic induction coil, a frequency conversion transformer, a control unit and a heating tube monitoring unit, wherein both ends of the shell are respectively provided with a smoke inlet and a smoke outlet, one end of the spiral heating tube is installed at the smoke inlet, and the other end of the spiral heating tube is installed at the smoke outlet, and the diameter of the spiral heating tube and the number of coils are such that the smoke is heated in the spiral heating tube for at least 2 seconds; and detachable connection components are respectively provided at the smoke inlet and the smoke outlet; wherein the heating tube monitoring unit and the control unit are connected to each other. The units are electrically connected, the heating tube monitoring unit detects real-time parameters in the spiral heating tube, and transmits corresponding detection signals to the control unit. The control unit controls the frequency conversion transformer through the detection signal to adjust the current in the electromagnetic induction coil. When in use, the electromagnetic induction coil is energized to quickly form a high temperature in the spiral heating tube, and instantly reaches and maintains above 850°C, and continuously performs high-temperature cracking and purification on the flue gas for a long time. At the same time, under the action of the heating tube monitoring unit, the spiral heating tube can be automatically monitored and controlled throughout the process, effectively eliminating harmful substances in the flue gas of the crematorium, which is of positive significance to the low-carbon operation of the crematorium and environmentally friendly emission standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the fume purification device of the incinerator in the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the incinerator fume purification device in the utility model when it is arranged in parallel;

[0019] Figure 3 It is a structural schematic diagram of the incinerator fume purification device in the utility model when it is arranged in series;

[0020] In the figure: 1-housing, 2-smoke inlet, 3-smoke outlet, 4-connecting male port, 5-connecting female port, 6-connecting flange, 7-connecting fastening bolt hole, 8-control unit, 9-frequency transformer, 10-electromagnetic induction coil, 11-spiral heating tube, 12-smoke density sensor, 13-pressure sensor, 14-air volume sensor, 15-temperature sensor, 16-air volume control valve, 17-insulation layer, 100-cremator smoke purification device. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0023] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. Embodiment 1

[0024] like Figure 1 As shown, a smoke purification device for a cremator includes a housing 1, a spiral heating tube 11, an electromagnetic induction coil 10, a frequency conversion transformer 9, a control unit 8 and a heating tube monitoring unit.

[0025] like Figure 1 As shown, a smoke inlet 2 and a smoke outlet 3 are respectively provided at both ends of the shell 1, and a detachable connecting component is respectively provided at the smoke inlet 2 and the smoke outlet 3. Specifically, a connecting component is provided on the outer side of the shell 1 corresponding to the smoke inlet 2, and a connecting component is provided on the outer side of the shell 1 corresponding to the smoke outlet 3.

[0026] like Figure 1 As shown, the spiral heating tube 11 is arranged in the housing 1. Specifically, one end of the spiral heating tube 11 is installed at the smoke inlet 2, and the other end of the spiral heating tube 11 is installed at the smoke outlet 3. The diameter of the spiral heating tube 11 and the number of coils in the utility model make the smoke heated in the spiral heating tube 11 for at least 2 seconds. The heating time involved here is because the treatment of dioxins, the primary pollutant in the smoke emitted by the crematorium, requires staying in an environment with a temperature above 850°C for more than 2 seconds to achieve the purification effect according to relevant technical standards. When the utility model cannot reach the length required for the smoke to pass through, multiple groups of spiral heating tubes 11 can be connected in series to increase the length of the spiral heating tube 11, thereby extending the time required for the smoke to pass through the crematorium.

[0027] like Figure 1As shown, the electromagnetic induction coil 10 is arranged on the inner side of the housing 1. In a preferred embodiment, a heat preservation layer 17 is arranged between the electromagnetic induction coil 10 and the spiral heating tube 11. The heat preservation layer 17 can achieve the heat preservation effect and heat insulation for the electromagnetic induction coil 10, and play a role in protecting the spiral heating tube 11. In the utility model, the electromagnetic induction coil 10 is electrically connected to the frequency conversion transformer 9, and the frequency conversion transformer 9 is electrically connected to the control unit 8. The control unit 8 can be but not limited to the ST32 series single chip microcomputer. The control unit 8 controls the start and stop of the electromagnetic induction coil 10 by controlling the frequency conversion transformer 9 to realize the start and stop of the device, and adjusts the current in the electromagnetic induction coil 10 by the frequency conversion transformer 9 to adjust the temperature in the spiral heating tube 11.

[0028] like Figure 1 As shown, the heating tube monitoring unit includes at least one smoke density sensor 12, each of which is arranged in the spiral heating tube 11, and each of which detects the smoke concentration in the spiral heating tube 11. The utility model mainly uses the smoke density sensor 12 to monitor the smoke passing through the spiral heating tube 11 and the smoke concentration. The control unit 8 controls the start and stop of the device according to the received smoke concentration signal. Specifically, when smoke passes through, the smoke density sensor 12 transmits the corresponding smoke concentration signal to the control unit 8. The control unit 8 controls the frequency conversion transformer 9 to start according to the smoke concentration signal, so that the electromagnetic induction coil 10 is energized, so that the spiral heating tube 11 is quickly heated to process the smoke. When the smoke concentration does not reach the state that needs to be heated or there is no smoke passing, the control unit 8 adjusts the current in the electromagnetic induction coil 10 through the frequency conversion transformer 9, or shuts down. In order to obtain smoke data more accurately, smoke density sensors 12 can be set at multiple positions in the smoke duct of the cremator and the spiral heating tube 11.

[0029] like Figure 1 As shown, the heating tube monitoring unit also includes at least one pressure sensor 13, each pressure sensor 13 is arranged in the spiral heating tube 11, and each pressure sensor 13 collects the pressure in the spiral heating tube 11 to monitor the negative pressure change in the spiral heating tube 11 in real time. The control unit 8 receives the detection signal transmitted by the pressure sensor 13, and controls the frequency conversion transformer 9 according to the detection signal to adjust the current in the electromagnetic induction coil 10 to realize the start and stop of the device, thereby meeting the smoke emission requirements of the crematorium.

[0030] like Figure 1As shown, the heating tube monitoring unit further includes at least one temperature sensor 15, each of which is disposed in the spiral heating tube 11, and each of which detects the temperature in the spiral heating tube 11. The control unit 8 controls the temperature in the spiral heating tube 11 and the amount of smoke passing therethrough according to the received temperature signal. In order to increase the temperature control accuracy of the automatic controller, multiple temperature sensors 15 can be set up at different positions of the spiral heating tube 11.

[0031] like Figure 1 As shown, the smoke purification device for a cremator of the utility model has an air volume control valve 16 disposed in its housing 1. The air volume control valve 16 is disposed near the smoke outlet 3, and the air volume control valve 16 is electrically connected to the control unit 8. In a preferred embodiment, at least one air volume sensor 14 is disposed in the spiral heating tube 11, and each air volume sensor 14 is electrically connected to the control unit 8, and each air volume sensor 14 detects the smoke emission flow rate. Specifically, an air volume sensor 14 is disposed at the port position of the smoke exhaust port 3, and the air volume sensor 14 collects the smoke emission in real time, and transmits the corresponding emission flow rate signal to the control unit 8. The control unit 8 controls the opening of the air volume control valve 16 according to the emission flow rate signal to adjust the smoke emission flow rate of the smoke exhaust port 3.

[0032] like Figure 1 As shown, the connection assembly in this embodiment includes a male connection port 4 and a female connection port 5, and the male connection port 4 and the female connection port 5 are respectively provided with a connection flange 6, and the connection flange 6 is provided with a connection fastening bolt hole 7. The utility model is connected with the flue and exhaust flue of the cremator through the connection flange 6, wherein the male connection port 4 and the female connection port 5 ensure the accuracy, airtightness and stability during the connection, and prevent the occurrence of smoke escape and air leakage. At the same time, the male connection port 4 and the female connection port 5 also ensure the accuracy, airtightness and stability of the utility model when connected in series and in parallel.

[0033] like Figure 1 As shown, the smoke purification device of the cremator of the present invention adopts a high-frequency electromagnetic exhaust pipe heating method to perform high-temperature cracking on harmful gases and dust in the smoke of the cremator, thereby eliminating or reducing the emission of harmful substances in the smoke of the cremator. That is, the present invention controls the frequency conversion transformer 9 through the control unit 8 to energize and de-energize the electromagnetic induction coil 10 so as to realize automatic start and stop. At the same time, the real-time parameters in the heating tube, such as smoke concentration, pressure, temperature, etc., are monitored in real time through the heating tube monitoring unit, and the current in the electromagnetic induction coil 10 is adjusted in real time to make the spiral heating tube 11 quickly heat up, and reach and maintain above 850°C in an instant, and continuously perform high-temperature cracking and purification on the smoke for a long time, and at the same time, the spiral heating tube 11 is automatically monitored and controlled throughout the whole process, effectively eliminating harmful substances in the smoke of the cremator, which has positive significance for the low-carbon operation and environmental protection emission of the cremator. Embodiment 2

[0034] like Figure 2 and Figure 3 As shown, a cremator includes a flue and a smoke exhaust duct, and also includes at least one of the above-mentioned cremator smoke purification devices 100, the smoke inlet 2 of each cremator smoke purification device 100 is connected to the outlet of the flue, and the smoke outlet 3 of each cremator smoke purification device 100 is connected to the inlet of the smoke exhaust duct. Specifically, in the purification device of Example 1, the connecting flange 6 at the smoke inlet 2 is connected to the outlet of the flue, and the connecting flange 6 at the smoke outlet 3 is connected to the inlet of the smoke exhaust duct.

[0035] The cremator in this embodiment may include at least two cremator smoke purification devices 100, and the two cremator smoke purification devices 100 are arranged in parallel or in series. That is, the cremator of the utility model can adopt a multi-group parallel connection mode to increase the smoke treatment capacity, see Figure 2 , the series connection method can also be used to increase the high temperature treatment time of flue gas, see Figure 3 , and a combination of series and parallel connections can be adopted to increase the quantity and quality of flue gas treatment.

[0036] The cremator of the present invention adopts the cremator fume purification device 100 described in the first embodiment, so that the harmful substances contained in the fume discharged by the cremator are effectively eliminated, which has positive significance for the low-carbon operation and environmentally friendly emission of the cremator.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications made within the spirit and principles of the present invention, as well as improvements to the same type of cremator fume purification device and cremator, should be included in the protection scope of the present invention.

Claims

1. A smoke purification device for a cremator, comprising a housing, a spiral heating tube arranged in the housing, an electromagnetic induction coil arranged inside the housing, a frequency conversion transformer electrically connected to the electromagnetic induction coil, and a control unit electrically connected to the frequency conversion transformer, characterized in that: The two ends of the shell are respectively provided with a smoke inlet and a smoke outlet, one end of the spiral heating tube is installed at the smoke inlet, and the other end of the spiral heating tube is installed at the smoke outlet. The diameter of the spiral heating tube and the number of coils are such that the smoke is heated in the spiral heating tube for at least 2 seconds; and the smoke inlet and the smoke outlet are respectively provided with a detachable connection component; The device also includes a heating tube monitoring unit, which is electrically connected to the control unit. The heating tube monitoring unit detects real-time parameters in the spiral heating tube and transmits corresponding detection signals to the control unit. The control unit controls the variable frequency transformer through the detection signal to adjust the current in the electromagnetic induction coil.

2. The fume purification device for a cremator according to claim 1, characterized in that: An air volume control valve is arranged in the shell, the air volume control valve is arranged close to the smoke outlet, and the air volume control valve is electrically connected to the control unit.

3. The fume purification device for a cremator according to claim 1, characterized in that: The connection assembly comprises a connecting male port and a connecting female port, and the connecting male port and the connecting female port are respectively provided with connecting flanges.

4. The fume purification device for a cremator according to claim 1, characterized in that: The heating tube monitoring unit includes at least one smoke density sensor, each of which is arranged in the spiral heating tube, and each of which detects the smoke concentration in the spiral heating tube.

5. The fume purification device for a cremator according to claim 1, characterized in that: The heating tube monitoring unit includes at least one pressure sensor, each of which is arranged in the spiral heating tube, and each of which detects the pressure in the spiral heating tube.

6. The fume purification device for a cremator according to claim 1, characterized in that: The heating tube monitoring unit includes at least one temperature sensor, each of which is arranged in the spiral heating tube, and each of which detects the temperature in the spiral heating tube.

7. The fume purification device for a cremator according to claim 2, characterized in that: At least one air volume sensor is provided in the spiral heating tube, each of the air volume sensors is electrically connected to the control unit, and each of the air volume sensors detects the flue gas emission flow rate.

8. The fume purification device for a cremator according to claim 1, characterized in that: A heat-insulating layer is arranged between the electromagnetic induction coil and the spiral heating tube.

9. A cremator, comprising a flue and a smoke exhaust duct, characterized in that: It also includes at least one crematorium flue gas purification device as described in any one of claims 1 to 8, wherein the flue gas inlet of each crematorium flue gas purification device is connected to the outlet of the flue, and the flue gas outlet of each crematorium flue gas purification device is connected to the inlet of the smoke exhaust duct.

10. The crematorium according to claim 9, characterized in that: It comprises at least two of the above-mentioned smoke purification devices for cremators, and the two smoke purification devices for cremators are arranged in parallel or in series.

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