Anti-condensation device system of dust removal and denitration integrated dust remover

Abstract

The utility model discloses an anti-condensation device system of a dust removal and denitration integrated dust remover, which can be used for heating or maintaining the dust remover in a starting stage or a long-term stopping stage, so that the service life of equipment is prolonged. The anti-condensation device system of the dust removal and denitration integrated dust remover comprises an input flue, an output flue, a high-temperature variable-frequency fan, an electric heater, a first circulating pipeline, a second circulating pipeline and a third circulating pipeline, wherein the input flue and the output flue are respectively connected to the input end and the output end of the dust remover; the first circulating pipeline, the electric heater, the second circulating pipeline, the high-temperature variable-frequency fan and the third circulating pipeline are connected in sequence, and the first circulating pipeline and the third circulating pipeline are connected to the input flue and the output flue through a first flange and a second flange respectively; and the output end and the input end of the high-temperature frequency conversion fan are respectively connected with the second circulating pipeline and the third circulating pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collectors, in particular to an anti-condensation device system for a dust collector with integrated dust removal and denitration. Background Art

[0002] The integrated dust removal and denitrification dust collector is a device that combines dust removal and denitrification functions. It is mainly used for industrial flue gas purification. The key is to integrate the dust removal and denitrification processes into the same system, which can improve purification efficiency and reduce costs.

[0003] When the dust collector is cold started, especially after a long period of shutdown, the temperature inside the furnace is low, and the temperature of the flue gas, dust collector and pipeline is also relatively low, while the oil mist content is high, which easily produces condensation, causing condensation on the surface of the dust collector filter bag and bag sticking. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-condensation device system for an integrated dust removal and denitrification dust collector, which solves the problems existing in the prior art and can heat or maintain the dust collector during the startup phase or long-term shutdown phase, thereby extending the service life of the equipment.

[0005] In order to achieve the above objectives, the solution of the present invention is:

[0006] A dust removal and denitrification integrated dust collector anti-condensation device system is applied to the dust collector, comprising an input flue and an output flue respectively connected to the input end and the output end of the dust collector, as well as a high-temperature variable frequency fan, an electric heater, a first circulation pipe, a second circulation pipe and a third circulation pipe; the first circulation pipe, the electric heater, the second circulation pipe, the high-temperature variable frequency fan and the third circulation pipe are connected in sequence, and the first circulation pipe and the third circulation pipe are connected to the input flue and the output flue through a first flange and a second flange respectively; the output end and the input end of the high-temperature variable frequency fan are connected to the second circulation pipe and the third circulation pipe respectively.

[0007] The dust removal and denitrification integrated dust collector anti-condensation device system further includes a first switch valve arranged at the input end of the input flue and a second switch valve arranged at the output end of the output flue.

[0008] Preferably, the dust removal and denitrification integrated dust collector anti-condensation device system further includes a third switch valve arranged on the first circulation pipeline and a fourth switch valve arranged on the third circulation pipeline.

[0009] Preferably, the first switch valve, the second switch valve, the third switch valve and the fourth switch valve are all butterfly valves.

[0010] The first circulation pipe is provided with a first thermometer for monitoring the output temperature of the electric heater; the second circulation pipe is provided with a second thermometer for monitoring the input temperature of the electric heater.

[0011] A pulse spray assembly is installed on the side of the dust collector. The pulse spray assembly includes an air bag for supplying air and an electromagnetic pulse valve connected to the air bag. The output end of the electromagnetic pulse valve is connected to the dust collector.

[0012] A differential pressure gauge is installed on the side of the dust collector.

[0013] After adopting the above technical solution, the utility model has the following technical effects:

[0014] The utility model forms a circulation heating system through a high-temperature variable-frequency fan-a second circulation duct-an electric heater-a first circulation duct-an input flue-a dust collector-an output flue-a third circulation duct-a high-temperature variable-frequency fan, which can circulate and heat the dust collector; during cold start-up, the high-temperature variable-frequency fan and the electric heater can be started before the dust collector is started, and the air in the pipe of the circulation system is heated by the electric heater and driven by the high-temperature variable-frequency fan to circulate, thereby heating the filter bags of the dust collector to a temperature higher than the dew point temperature, avoiding problems such as bag sticking and solution penetration failure caused by condensation; during long-term shutdown, the dust collector can be maintained by running the utility model, and the moisture in the drive system and equipment can be kept dry, thereby avoiding moisture, hardening and corrosion of the filter bags; the flange connection is used for convenient disassembly and assembly of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of a specific embodiment of the utility model;

[0016] Description of Figure Numbers:

[0017] 1-dust collector; 2-input flue; 3-output flue; 4-high-temperature variable-frequency fan; 5-electric heater; 6-first circulation pipe; 7-second circulation pipe; 8-third circulation pipe; 9-first flange; 10-second flange; 11-first on-off valve; 12-second on-off valve; 13-third on-off valve; 14-fourth on-off valve; 15-first thermometer; 16-second thermometer; 17-air bag; 18-electromagnetic pulse valve; 19-differential pressure gauge. DETAILED DESCRIPTION

[0018] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0019] refer to Figure 1As shown, the utility model discloses a dust removal and denitration integrated dust collector anti-condensation device system, which is applied to a dust collector 1, in particular a dust removal and denitration integrated dust collector, comprising an input flue 2 and an output flue 3 respectively connected to the input end and the output end of the dust collector 1, as well as a high-temperature variable frequency fan 4, an electric heater 5, a first circulation pipe 6, a second circulation pipe 7 and a third circulation pipe 8;

[0020] The first circulation pipe 6, the electric heater 5, the second circulation pipe 7, the high-temperature variable frequency fan 4, and the third circulation pipe 8 are connected in sequence, and the first circulation pipe 6 and the third circulation pipe 8 are connected to the input flue 2 and the output flue 3 through the first flange 9 and the second flange 10 respectively;

[0021] The output end and the input end of the high-temperature variable-frequency fan 4 are connected to the second circulation pipe 7 and the third circulation pipe 8 respectively.

[0022] Through the above scheme, the utility model forms a circulation heating system through the high-temperature variable frequency fan 4-second circulation pipe 7-electric heater 5-first circulation pipe 6-input flue 2-dust collector 1-output flue 3-third circulation pipe 8-high-temperature variable frequency fan 4, which can circulate and heat the dust collector 1; during cold start, the high-temperature variable frequency fan 4 and the electric heater 5 can be started before the dust collector is started, and the electric heater 5 heats the air in the pipe of the circulation system and is driven by the high-temperature variable frequency fan 4 to circulate, so that the filter bag of the dust collector 1 is heated and its temperature is higher than the dew point temperature, avoiding problems such as bag sticking and solution penetration failure caused by condensation; during long-term shutdown, the dust collector can be maintained by running the utility model, and the moisture in the drive system and equipment can be kept dry, which can prevent the filter bag from getting damp, hardening and corrosion, etc.; the flange connection is used to facilitate the disassembly and assembly of the pipeline.

[0023] Specific embodiments of the present invention are shown below.

[0024] The present invention further includes a first on-off valve 11 provided at the input end of the input flue 2 and a second on-off valve 12 provided at the output end of the output flue 3. Thus, the dust collector 1 incorporating the present invention forms a closed circuit. Even if the dust collector 1 is shut down for a long period of time, the circuit can be closed by closing the first on-off valve 11 and the second on-off valve 12, and the high-temperature variable-frequency fan 4 and the electric heater 5 can be activated to achieve internal circulation, thereby keeping the pipes in the system dry.

[0025] Furthermore, the present invention further includes a third on-off valve 13 provided on the first circulation conduit 6 and a fourth on-off valve 14 provided on the third circulation conduit 8. By closing the third on-off valve 13 and the fourth on-off valve 14, the high-temperature variable frequency fan 4 and the electric heater 5 can be isolated from the dust collector 1 after the dust collector 1 is operating normally.

[0026] Secondly, the first on-off valve 11 , the second on-off valve 12 , the third on-off valve 13 and the fourth on-off valve 14 are all butterfly valves.

[0027] The first circulation pipe 6 is provided with a first thermometer 15 for monitoring the output temperature of the electric heater 5 ; the second circulation pipe 7 is provided with a second thermometer 16 for monitoring the input temperature of the electric heater 5 .

[0028] A pulse spray assembly is installed on the side of the dust collector 1. The pulse spray assembly includes an air bag 17 for supplying air, and an electromagnetic pulse valve 18 connected to the air bag 17. The output end of the electromagnetic pulse valve 18 is connected to the dust collector 1.

[0029] A differential pressure gauge 19 is installed on the side of the dust collector 1.

[0030] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A dust removal and denitrification integrated dust collector anti-condensation device system, applied to a dust collector, characterized by: It includes an input flue and an output flue connected to the input end and the output end of the dust collector respectively, as well as a high-temperature variable frequency fan, an electric heater, a first circulation pipe, a second circulation pipe and a third circulation pipe; The first circulation pipe, electric heater, second circulation pipe, high-temperature variable frequency fan, and third circulation pipe are connected in sequence, and the first circulation pipe and the third circulation pipe are connected to the input flue and the output flue through a first flange and a second flange respectively; The output end and the input end of the high-temperature variable frequency fan are connected to the second circulation pipeline and the third circulation pipeline respectively.

2. The dust removal and denitrification integrated dust collector anti-condensation device system according to claim 1, characterized in that: It also includes a first switch valve arranged at the input end of the input flue and a second switch valve arranged at the output end of the output flue.

3. The dust removal and denitrification integrated dust collector anti-condensation device system according to claim 2, characterized in that: It also includes a third on-off valve arranged on the first circulation pipeline and a fourth on-off valve arranged on the third circulation pipeline.

4. The dust removal and denitrification integrated dust collector anti-condensation device system according to claim 3, characterized in that: The first switch valve, the second switch valve, the third switch valve and the fourth switch valve are all butterfly valves.

5. The dust removal and denitrification integrated dust collector anti-condensation device system according to claim 1, characterized in that: The first circulation pipe is provided with a first thermometer for monitoring the output temperature of the electric heater; the second circulation pipe is provided with a second thermometer for monitoring the input temperature of the electric heater.

6. The dust removal and denitrification integrated dust collector anti-condensation device system according to claim 1, characterized in that: A pulse spray assembly is installed on the side of the dust collector. The pulse spray assembly includes an air bag for supplying air and an electromagnetic pulse valve connected to the air bag. The output end of the electromagnetic pulse valve is connected to the dust collector.

7. The dust removal and denitrification integrated dust collector anti-condensation device system according to claim 1, characterized in that: A differential pressure gauge is installed on the side of the dust collector.

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