Safe cooling equipment for desorbed particle materials

Abstract

The utility model relates to safe cooling equipment for desorbed particle materials. The safe cooling equipment comprises a porous gate valve, an adsorbed material conveying device, an anti-explosion variable frequency motor, an electric control device, a pulse dust collector and a pipeline mixer, the device disclosed by the utility model has the beneficial effects that the porous gate valve is arranged at the junction of the desorption area and the cooling section sealing room, and the cooling section sealing room is of an independent sealing box type structure, so that solid-powder separation of granular carbon after desorption is finished is facilitated; a pulse dust collector is arranged and is used for removing dust from air discharged from the cooling section sealing room; a pipeline mixer is additionally arranged, and diluted carbon ash in outlet air returns to the air inlet end of the desorption area and is collectively discharged after passing through the desorption area; the total dust content of outlet air of the wall-mounted desorption bed is reduced; the water receiving tank is additionally arranged, so that the adsorption material with open fire on the adsorption material conveying device can be conveniently extinguished by emergency water in the cooling section sealing room after the desorption area is on fire, and the safety is improved; in addition, the cooling section sealing room is large in space, and personnel can conveniently enter for cleaning and maintenance.

Description

Technical Field

[0001] The utility model belongs to the technical field of desorption of organic volatiles in large-capacity granular adsorbents, and in particular relates to a safe cooling device for granular materials after desorption. Background Art

[0002] The wall-mounted desorption bed has a continuous desorption process, uniform desorption temperature, simple structure, energy saving and high automation. The wall-mounted desorption bed is mainly used for staged repeated cyclic desorption of a single batch of large-capacity granular adsorbents.

[0003] The commonly used wall-mounted desorption bed is divided into a preheating area, a desorption area and a cooling area from top to bottom; the entire wall-mounted desorption bed is tall and flat in shape, and the adsorbent flows down from top to bottom inside the wall-mounted desorption bed due to its own weight. The adsorbent particles inevitably squeeze and rub against each other, and the adsorbent particles break and become dust in the process; and the dusting is most serious in the cooling area at the bottom. Utility Model Content

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a safe cooling device for desorbed granular materials.

[0005] This safe cooling equipment for the desorbed particulate material is a matching safe cooling equipment for the wall-mounted desorption bed. The cooling area of ​​the wall-mounted desorption bed is a cooling section sealed room. The preheating area and the desorption area of ​​the wall-mounted desorption bed are both arranged with adsorption materials. The equipment includes: a multi-hole plug valve, an adsorption material conveying device, an explosion-proof variable frequency motor, an electric control device, a pulse dust collector and a pipeline mixer.

[0006] A multi-hole gate valve is provided at the junction of the preheating area and the desorption area, and the multi-hole gate valve is electrically connected to the electric control device; a multi-hole gate valve is also provided at the junction of the desorption area and the sealing room of the cooling section, and the multi-hole gate valve is also electrically connected to the electric control device; the electric control device is used to control the opening and closing of the multi-hole gate valve;

[0007] In the sealed room of the cooling section, an adsorption material conveying device is provided below the multi-hole plug valve provided at the junction of the desorption area and the sealed room of the cooling section, and the adsorption material conveying device is used to receive the adsorption material falling from the desorption area; the adsorption material conveying device is electrically connected to the explosion-proof variable frequency motor, and the explosion-proof variable frequency motor is used to drive the adsorption material conveying device, and the explosion-proof variable frequency motor is provided outside the sealed room of the cooling section; a discharging screw conveyor is provided below the end of the conveying direction along the upper edge of the adsorption material conveying device, and the discharging screw conveyor is used to receive the adsorption material conveyed from the adsorption material conveying device, and convey the adsorption material to the outside of the sealed room of the cooling section;

[0008] An ash extraction port is also provided on the inner wall of the sealed room of the cooling section, and the ash extraction port is connected to the air inlet of the pulse dust collector arranged outside the sealed room of the cooling section, and the air outlet of the pulse dust collector is connected to the air inlet of the duct mixer together with the desorption hot air duct, and the air outlet of the mixer is connected to the air inlet box opened near the air inlet end of the desorption area;

[0009] An IR temperature measuring alarm device is also installed in the sealed room of the cooling section.

[0010] As a preference, the electric control device is a cylinder solenoid valve of a multi-hole plug valve.

[0011] As a preferred embodiment, a booster fan is additionally provided on the air duct connecting the air outlet of the pulse dust collector and the duct mixer.

[0012] As a preferred embodiment, a water inlet pipe is further provided in the sealed room of the cooling section, and the water outlet end of the water inlet pipe has a range covering the adsorption material contact part of the adsorption material conveying device; and the water inlet end of the water inlet pipe is connected to a water tank.

[0013] Preferably, the adsorption material conveying device is one of a scraper conveyor, a belt conveyor and a double screw conveyor.

[0014] The beneficial effects of the utility model are:

[0015] A multi-hole gate valve is provided at the junction of the desorption area and the cooling section sealed room. The multi-hole gate valve is electrically connected to the electric control device, so that the cooling section sealed room becomes an independent sealed box structure, which is beneficial to the solid and powder separation of the granular carbon after the desorption is completed.

[0016] A pulse dust collector is further provided to remove dust from the air outlet of the sealed room in the cooling section; a duct mixer is added to use the desorbed hot air to mix the air outlet of the pulse dust collector in a proportional manner to form a stream of hot air without carbon dust, which is passed through the air inlet end of the desorption area to the desorption area for thermal desorption and precipitation of high-concentration VOCs for incineration treatment; the total dust content of the air outlet of the wall-mounted desorption bed is reduced.

[0017] An additional water receiving box is provided to facilitate the use of emergency water to extinguish the adsorbed material with open flames on the adsorbed material conveying device in the sealed room of the cooling section after a fire occurs in the desorption area, thereby increasing safety. In addition, the sealed room of the cooling section has a larger space, which is convenient for personnel to enter for cleaning and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Explanation of the reference numerals in the accompanying drawings: adsorption material 1, preheating area 2, multi-hole plug valve 3, desorption area 4, water tank 5, IR temperature measuring alarm device 6, cooling section sealed room 7, discharge screw conveyor 8, adsorption material conveying device 9, explosion-proof variable frequency motor 10, electronic control device 11, pipeline mixer 12, ash extraction port 13, pulse dust collector 14, booster fan 15, desorption hot air duct 16. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0021] As an example, Figure 1 As shown, a safe cooling device for desorbed particulate material is a matching safe cooling device for a wall-mounted desorption bed. The cooling area of ​​the wall-mounted desorption bed is a cooling section sealed room 7. The preheating area 2 and the desorption area 4 of the wall-mounted desorption bed are both arranged with adsorption materials 1; including: a multi-hole gate valve 3, an adsorption material conveying device 9, an explosion-proof variable frequency motor 10, an electric control device 11, a pulse dust collector 14 and a pipeline mixer 12; the adsorption material conveying device 9 uses a scraper chain conveyor;

[0022] A multi-hole gate valve 3 is provided at the junction of the preheating area 2 and the desorption area 4, and the multi-hole gate valve 3 is electrically connected to the electric control device 11; a multi-hole gate valve 3 is also provided at the junction of the desorption area 4 and the cooling section sealed room 7, and the multi-hole gate valve 3 is also electrically connected to the electric control device 11; the electric control device 11 is used to control the opening and closing of the multi-hole gate valve 3; the electric control device 11 is a cylinder solenoid valve of the multi-hole gate valve 3;

[0023] In the cooling section sealed room 7, a scraper chain conveyor is provided below the multi-hole gate valve 3 provided at the junction of the desorption area 4 and the cooling section sealed room 7, and the scraper chain conveyor is used to catch the adsorbed material falling from the desorption area; the scraper chain conveyor is electrically connected to the explosion-proof variable frequency motor 10, and the explosion-proof variable frequency motor is used to drive the scraper chain conveyor, and the explosion-proof variable frequency motor 10 is provided outside the cooling section sealed room 7; a discharging screw conveyor 8 is provided below the end of the scraper chain along the conveying direction of the scraper chain conveyor, and the discharging screw conveyor is used to catch the adsorbed material conveyed from the scraper chain conveyor;

[0024] An ash extraction port 13 is also provided on the inner wall of the cooling section sealed room 7, and the ash extraction port 13 is connected to the air inlet of the pulse dust collector 14 arranged outside the cooling section sealed room 7, and the air outlet of the pulse dust collector 14 is connected to the air inlet of the pipeline mixer 12 together with the desorption hot air duct 16, and a booster fan 15 is added to the connecting air duct between the air outlet of the pulse dust collector 14 and the pipeline mixer 12; the air outlet of the pipeline mixer 12 is connected to the air inlet opened near the air inlet end of the desorption area 4; and an ash outlet is also provided below the desorption area;

[0025] A water inlet pipe is also provided in the cooling section sealed room 7, and the water outlet range of the water inlet pipe covers the upper half of the conveying chain of the scraper chain conveyor; the water inlet end of the water inlet pipe is connected to the water tank 5; an IR temperature measuring alarm device 6 is also provided in the cooling section sealed room 7.

[0026] The carbon ash rising in the sealed room of the cooling section passes through the ash extraction port, is filtered by the pulse dust collector, pressurized by the booster fan, and mixed with the desorption hot air in proportion through the pipeline mixer. The hot air after carbon ash removal returns to the air inlet end of the desorption area and is thermally desorbed and precipitated in the desorption area for high-concentration VOC incineration treatment.

Claims

1. A safe cooling device for desorbed particulate material, which is a matching safe cooling device for a wall-mounted desorption bed, wherein the cooling area of ​​the wall-mounted desorption bed is a cooling section sealed room (7), and adsorption materials (1) are arranged in the preheating area (2) and the desorption area (4) of the wall-mounted desorption bed; characterized in that: include: A multi-hole gate valve (3), an adsorption material conveying device (9), an explosion-proof variable frequency motor (10), an electric control device (11), a pulse dust collector (14) and a pipeline mixer (12); A multi-hole plug valve (3) is provided at the junction of the preheating area (2) and the desorption area (4), and the multi-hole plug valve (3) is electrically connected to an electric control device (11); a multi-hole plug valve (3) is also provided at the junction of the desorption area (4) and the cooling section sealed room (7), and the multi-hole plug valve (3) is also electrically connected to the electric control device (11); the electric control device (11) is used to control the opening and closing of the multi-hole plug valve (3); In the cooling section sealed room (7), an adsorption material conveying device (9) is provided below the multi-hole plug valve (3) provided at the junction of the desorption area (4) and the cooling section sealed room (7); the adsorption material conveying device (9) is electrically connected to an explosion-proof variable frequency motor (10), and the explosion-proof variable frequency motor (10) is provided outside the cooling section sealed room (7); a discharge screw conveyor (8) is provided below the end of the conveying direction along the upper edge of the adsorption material conveying device (9); An ash extraction port (13) is also provided on the inner wall of the cooling section sealed room (7), the ash extraction port (13) is connected to an air inlet of a pulse dust collector (14) provided outside the cooling section sealed room (7), the air outlet of the pulse dust collector (14) and the desorption hot air duct (16) are connected together to the air inlet of the duct mixer (12), the air outlet of the duct mixer (12) is connected to an air inlet box provided near the air inlet end of the desorption area (4); an ash extraction port is also provided below the desorption area; An IR temperature measuring alarm device (6) is also provided in the cooling section sealed room (7).

2. The safe cooling device for desorbed particulate material according to claim 1, characterized in that: The electric control device (11) is a cylinder solenoid valve of the multi-hole plug valve (3).

3. The safe cooling device for desorbed particulate material according to claim 1, characterized in that: A booster fan (15) is additionally provided on the air duct connecting the air outlet of the pulse dust collector (14) and the duct mixer (12).

4. The safe cooling device for desorbed particulate material according to claim 1, characterized in that: A water inlet pipe is also provided in the cooling section sealed room (7), and the water outlet end of the water inlet pipe has a range covering the adsorption material contact portion of the adsorption material conveying device (9); the water inlet end of the water inlet pipe is connected to the water tank (5).

5. The safe cooling device for desorbed particulate material according to claim 1, characterized in that: The adsorption material conveying device (9) is one of a scraper conveyor, a belt conveyor and a double screw conveyor.

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