Drying system capable of preventing flammability and explosiveness

Abstract

The utility model relates to the technical field of drying systems, in particular to an anti-flammable and explosive drying system which comprises a drying machine, a first dust remover, a second dust remover, a condenser, a nitrogen fire extinguishing system, a water fire extinguishing system and a plurality of explosion venting devices, wherein a discharging port of the drying machine is connected with a feeding port of the first dust remover through a pipeline, a discharging port of the first dust remover is connected with a feeding port of the second dust remover through a pipeline, a discharging port of the second dust remover is connected with a feeding port of the condenser through a pipeline, and a discharging port of the condenser is connected with a feeding port of the incineration system through a pipeline. Or the discharge port of the condenser is connected with the feed port of the deodorization system through a pipeline; wherein a connecting pipeline between the drying machine and the first dust remover, a connecting pipeline between the first dust remover and the second dust remover and a connecting pipeline between the second dust remover and the condenser are arranged; according to the utility model, the risks of fire and explosion accidents are greatly reduced, and the personal safety of operators is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of drying systems, and particularly to a drying system for preventing inflammable and explosive hazards. Background Art

[0002] Traditional drying systems face safety hazards such as spontaneous combustion and smoldering of materials. These problems not only affect the smooth progress of production but also pose a threat to the lives of operators. In addition, after the drying process, post-treatment equipment such as dust collectors and condensers are prone to spontaneous combustion or smoldering due to the treatment of high-temperature and low-moisture dust or dry ash, further increasing the safety risks of the entire production line. Currently, there is a lack of a drying solution on the market that can comprehensively prevent and effectively control these inflammable and explosive situations. Therefore, it has become particularly urgent to develop a new type of drying system with a simple structure, high efficiency, safety, and an automatic fire extinguishing function. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a drying system for preventing inflammable and explosive hazards in view of the deficiencies in the prior art.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The utility model provides a drying system for preventing inflammable and explosive hazards, including: a dryer, a first dust collector, a second dust collector, a condenser, a nitrogen fire protection system, a water fire protection system, and a number of explosion venting devices;

[0006] Among them, the discharge port of the dryer is connected to the feed port of the first dust collector through a pipeline, the discharge port of the first dust collector is connected to the feed port of the second dust collector through a pipeline, the discharge port of the second dust collector is connected to the feed port of the condenser through a pipeline, the discharge port of the condenser is connected to the feed port of the incineration system through a pipeline, or the discharge port of the condenser is connected to the feed port of the deodorization system through a pipeline;

[0007] Among them, additional nitrogen supply ports are provided on the connection pipeline between the dryer and the first dust collector, on the connection pipeline between the first dust collector and the second dust collector, on the connection pipeline between the second dust collector and the condenser, and on the connection pipeline between the condenser and the incineration system or the deodorization system;

[0008] Among them, the nitrogen supply port of the dryer, the nitrogen supply port of the first dust collector, the nitrogen supply port of the second dust collector, the nitrogen supply port of the condenser, and the additional nitrogen supply port are respectively connected to the outlet of the nitrogen fire protection system through pipelines;

[0009] Among them, the fire water inlet of the dryer, the fire water inlet of the first dust collector, the fire water inlet of the second dust collector, and the fire water inlet of the condenser are respectively connected to the outlet of the water fire protection system through pipelines;

[0010] Among them, explosion venting devices are provided at the highest points of the drying machine, the connecting pipe between the drying machine and the first dust collector, the connecting pipe between the first dust collector and the second dust collector, the connecting pipe between the second dust collector and the condenser, and the connecting pipe between the condenser and the incineration system or the deodorization system.

[0011] Further, the first dust collector is a cyclone dust collector, and the second dust collector is a water film dust collector.

[0012] Further, an induced draft fan is fixedly provided on the connecting pipe between the condenser and the incineration system or the deodorization system.

[0013] Further, the drying machine is a disk dryer.

[0014] Further, the explosion venting device is a flameless explosion venting device.

[0015] Further, a check valve is fixedly provided on the air outlet pipe of the nitrogen fire protection system.

[0016] Further, a first temperature monitoring instrument is fixedly provided on the drying machine, a second temperature monitoring instrument is fixedly provided on the first dust collector, a third temperature monitoring instrument is fixedly provided on the second dust collector, and a fourth temperature monitoring instrument is fixedly provided on the condenser.

[0017] The utility model adopts the above technical solutions, and compared with the prior art, has the following technical effects:

[0018] By equipping each device with an independent nitrogen fire protection system, a water fire protection system, and an explosion venting device, the safety of the drying system is significantly improved. In case of an emergency, these independent safety measures can quickly respond and effectively control the hazards caused by spontaneous combustion or smoldering of materials, thereby greatly reducing the risk of fire and explosion accidents. Especially when dealing with flammable materials, this design provides more reliable protection and ensures the personal safety of the operating personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the process flow of the utility model;

[0020] Figure 2 is a schematic structural diagram of the process flow of the water fire protection system of the utility model;

[0021] Figure 3 is a schematic structural diagram of the nitrogen fire protection system of the utility model;

[0022] The reference numerals of the utility model are:

[0023] Drying machine, 1; First dust collector, 2; Second dust collector, 3; Condenser, 4; Explosion venting device 5; Induced draft fan 8. Detailed implementation manners

[0024] The following will describe the detailed implementation manners of the present utility model in detail.

[0025] Unless otherwise defined, the technical terms or scientific terms used in the claims and the specification should have the ordinary meanings understood by those with ordinary skills in the technical field to which the present utility model belongs.

[0026] The term "comprising" or similar words used in the specification and claims of the present utility model patent application are intended to mean that the items appearing before "comprising" cover the items listed after "comprising" or their equivalents, and do not exclude other items.

[0027] The numerical values mentioned in the present utility model include all numerical values that increase unit by unit from low to high. Here, it is assumed that there is an interval of at least two units between any lower value and higher value. For example, if it is said that a component amount or a physical quantity ranges from 1 to 100, 10 to 90 is more preferable, and 20 to 80 is most preferable, it is intended to express that numerical values such as 5 to 95, 14 to 76, 23 to 67, 32 to 58, 41 to 49, etc. are clearly listed in this specification; for numerical values less than 1, 0.0001, 0.001, 0.01 or 0.1 is considered a more appropriate unit. The foregoing examples are only for illustrative purposes. In fact, all numerical value combinations between the lowest value and the highest value listed are considered to be clearly listed in this specification in a similar manner.

[0028] Embodiment

[0029] This embodiment provides a drying system for preventing flammable and explosive substances, including: a dryer 1, a first dust collector 2, a second dust collector 3, a condenser 4, a nitrogen fire protection system, a water fire protection system, and a plurality of explosion venting devices 5;

[0030] Wherein, the discharge port of the dryer 1 is connected to the feed port of the first dust collector 2 through a pipeline, the discharge port of the first dust collector 2 is connected to the feed port of the second dust collector 3 through a pipeline, the discharge port of the second dust collector 3 is connected to the feed port of the condenser 4 through a pipeline, the discharge port of the condenser 4 is connected to the feed port of an incineration system through a pipeline, or the discharge port of the condenser 4 is connected to the feed port of a deodorization system through a pipeline;

[0031] Wherein, additional nitrogen supplement ports are provided on the connection pipeline between the dryer 1 and the first dust collector 2, on the connection pipeline between the first dust collector 2 and the second dust collector 3, on the connection pipeline between the second dust collector 3 and the condenser 4, and on the connection pipeline between the condenser 4 and the incineration system or the deodorization system;

[0032] Among them, the nitrogen supplement ports of the dryer 1, the nitrogen supplement ports of the first dust collector 2, the nitrogen supplement ports of the second dust collector 3, the nitrogen supplement ports of the condenser 4, and the additional nitrogen supplement port are respectively connected to the outlet pipeline of the nitrogen fire protection system;

[0033] Among them, the fire water inlets of the dryer 1, the fire water inlets of the first dust collector 2, the fire water inlets of the second dust collector 3, and the fire water inlets of the condenser 4 are respectively connected to the outlet pipeline of the water fire protection system;

[0034] Among them, explosion venting devices 5 are provided at the highest points of the dryer 1, the connection pipeline between the dryer 1 and the first dust collector 2, the connection pipeline between the first dust collector 2 and the second dust collector 3, the connection pipeline between the second dust collector 3 and the condenser 4, and the connection pipeline between the condenser 4 and the incineration system or the deodorization system.

[0035] Among them, an induced draft fan 8 is fixedly provided on the connection pipeline between the condenser 4 and the incineration system or the deodorization system, and a check valve is fixedly provided on the outlet pipeline of the nitrogen fire protection system.

[0036] Among them, the first dust collector 2 is a cyclone dust collector, the second dust collector 3 is a water film dust collector; the dryer 1 is a disk dryer; the explosion venting device 5 is a flameless explosion venting device.

[0037] Among them, a first temperature monitoring instrument is fixedly provided on the dryer 1, a second temperature monitoring instrument is fixedly provided on the first dust collector 2, a third temperature monitoring instrument is fixedly provided on the second dust collector 3, and a fourth temperature monitoring instrument is fixedly provided on the condenser 4.

[0038] During use, the operation of the equipment is detected through the temperature monitoring instrument. Once the temperature exceeds the limit value, a temperature alarm is triggered. The opening and closing of the nitrogen fire protection system, the water fire protection system, and several explosion venting devices 5 are uniformly controlled through the fire operation platform to eliminate potential hazards. Among them, the nitrogen fire protection system, the water fire protection system, and several explosion venting devices 5 are separately connected to the equipment. The explosion venting devices should be evenly and centrally arranged, not at the head and tail. The explosion venting devices on the pipeline should be arranged at the highest point of the pipeline to ensure timely pressure relief when the pressure relief device is activated.

[0039] In summary, by equipping each device with an independent nitrogen fire protection system, a water fire protection system, and a deflagration venting device, the present utility model significantly improves the safety of the drying system. In case of an emergency, these independent safety measures can quickly respond and effectively control the hazards caused by spontaneous combustion or smoldering of materials, thereby greatly reducing the risk of fire and explosion accidents. Especially when dealing with flammable materials, this design provides more reliable protection and ensures the personal safety of the operating personnel.

[0040] The above description is only a preferred embodiment of the present utility model, and does not limit the implementation mode and protection scope of the present utility model. For those skilled in the art, it should be realized that any equivalent replacement and obvious changes made by using the specification and illustrated content of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An inflammable and explosive-proof drying system, characterized in that, Including: A drying machine (1), a first dust collector (2), a second dust collector (3), a condenser (4), a nitrogen fire protection system, a water fire protection system, and several explosion venting devices (5); Wherein, the discharge port of the drying machine (1) is connected to the feed port of the first dust collector (2) through a pipeline, the discharge port of the first dust collector (2) is connected to the feed port of the second dust collector (3) through a pipeline, the discharge port of the second dust collector (3) is connected to the feed port of the condenser (4) through a pipeline, the discharge port of the condenser (4) is connected to the feed port of an incineration system through a pipeline, or the discharge port of the condenser (4) is connected to the feed port of a deodorization system through a pipeline; Wherein, additional nitrogen supplement ports are provided on the connection pipeline between the drying machine (1) and the first dust collector (2), on the connection pipeline between the first dust collector (2) and the second dust collector (3), on the connection pipeline between the second dust collector (3) and the condenser (4), and on the connection pipeline between the condenser (4) and the incineration system or the deodorization system; Wherein, the nitrogen supplement port of the drying machine (1), the nitrogen supplement port of the first dust collector (2), the nitrogen supplement port of the second dust collector (3), the nitrogen supplement port of the condenser (4), and the additional nitrogen supplement ports are respectively connected to the outlet of the nitrogen fire protection system through pipelines; Wherein, the fire water inlet of the drying machine (1), the fire water inlet of the first dust collector (2), the fire water inlet of the second dust collector (3), and the fire water inlet of the condenser (4) are respectively connected to the outlet of the water fire protection system through pipelines; Wherein, the explosion venting devices (5) are provided at the highest points of the drying machine (1), the connection pipeline between the drying machine (1) and the first dust collector (2), the connection pipeline between the first dust collector (2) and the second dust collector (3), the connection pipeline between the second dust collector (3) and the condenser (4), and the connection pipeline between the condenser (4) and the incineration system or the deodorization system.

2. The drying system according to claim 1, wherein, The first dust collector (2) is a cyclone dust collector, and the second dust collector (3) is a water film dust collector.

3. The drying system according to claim 1, characterized in that, A draft fan (8) is fixedly provided on the connection pipeline between the condenser (4) and the incineration system or the deodorization system.

4. The drying system according to claim 1, characterized in that, The drying machine (1) is a disk dryer.

5. The drying system according to claim 1, characterized in that The explosion venting device (5) is a flameless explosion venting device.

6. The drying system according to claim 1, wherein A check valve is fixedly provided on the outlet pipeline of the nitrogen fire protection system.

7. The drying system according to claim 1, characterized in that, A first temperature monitoring instrument is fixedly provided on the drying machine (1), a second temperature monitoring instrument is fixedly provided on the first dust collector (2), a third temperature monitoring instrument is fixedly provided on the second dust collector (3), and a fourth temperature monitoring instrument is fixedly provided on the condenser (4).

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