Mechanism for quantitatively separating desorption bed

Abstract

The utility model relates to a mechanism for quantitatively separating a desorption bed. The mechanism comprises a quantitative separating valve A arranged between a preheating area and a desorption area, and a quantitative separating valve B arranged between the desorption area and a cooling area. The continuous desorption system has the beneficial effects that the continuous desorption system is used for separating a preheating area, a desorption area and a cooling area and cutting off connection, and is used for protecting materials in the continuous desorption system, the preheating area and the cooling area; quantitative separation valves are arranged between every two of the preheating area, the desorption area and the cooling area; the quantitative separating valve can bear the heavy pressure of particle materials for a long time, can resist chemical corrosion and can also resist high temperature generated in a desorption area, and the quantitative separating valve does not deform; the quantitative separating valve can control the material discharging volume in unit time, and meanwhile smooth discharging is guaranteed; the quantitative separating valve can prevent blocking and blockage; and the overfire loss is controlled in the desorption area, so that the material burning volume is reduced, and the damage rate of desorption bed equipment in the desorption area is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of large air volume and low concentration organic volatiles treatment, in particular to a mechanism for quantitatively separating a desorption bed. Background Art

[0002] In the prior art, activated carbon is usually used as an adsorbent for the treatment of large air volumes and low concentrations of volatile organic compounds. The continuous desorption system used includes a preheating area, a desorption area, and a cooling area. Among them, the temperature in the desorption area is very high, resulting in a high concentration of desorbed volatile organic compounds. The high concentration of volatile organic compounds is flammable and dangerous. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a mechanism for quantitatively separating a desorption bed.

[0004] This mechanism for quantitatively separating the desorption bed is used to separate the preheating area, desorption area and cooling area of ​​the continuous desorption system. The preheating area is provided with an adsorption material inlet, and the preheating area is provided with a heat exchanger; the desorption area is provided with an air inlet and an air outlet; the cooling area is provided with an air inlet and an air outlet; the bottom of the cooling area is provided with a discharge channel, the discharge channel is connected to the adsorbent discharge port, and a mechanical discharge valve is provided on the discharge channel;

[0005] The mechanism for quantitatively separating the desorption bed includes a quantitative separation valve A and a quantitative separation valve B; the quantitative separation valve A is arranged on the connecting channel between the preheating area and the desorption area to separate the preheating area from the desorption area; the quantitative separation valve B is arranged on the connecting channel between the desorption area and the cooling area to separate the desorption area from the cooling area.

[0006] Preferably, the quantitative separation valve A and the quantitative separation valve B both include a seat bearing, a discharge plate, a separation valve body, a coupling and a reducer; in the quantitative separation valve A and the quantitative separation valve B: the discharge plate is fixed on the seat bearing, and one end of the seat bearing is fixed to the reducer through a coupling; separation valve bodies are provided on the outside of both sides of the discharge plate.

[0007] As a preferred embodiment, the reducers in the quantitative separation valve A and the quantitative separation valve B are also provided with a reducer base for supporting the reducer.

[0008] The beneficial effects of the utility model are as follows: in order to avoid the danger of combustion of high-concentration volatile organic compounds desorbed from the desorption area, the utility model designs a mechanism for quantitatively separating the desorption bed, which separates the preheating area, the desorption area and the cooling area, and cuts off the connection between the three areas, so as to protect the continuous desorption system and the materials in the preheating area and the cooling area in the system; quantitative separation valves are provided between the preheating area, the desorption area and the cooling area; the quantitative separation valves can withstand the heavy pressure of the particulate material for a long time, can withstand chemical corrosion, and can withstand the high temperature generated in the desorption area, and the quantitative separation valves do not deform; the quantitative separation valves can control the material unloading volume per unit time, while ensuring smooth material unloading; the quantitative separation valves can prevent sticking, blocking and clogging, and are used to firmly control the fire loss within the desorption area, reduce the volume of material burnt, and reduce the damage rate to the desorption bed equipment in the desorption area. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A schematic diagram of the structure of a mechanism for quantitatively separating the desorption beds;

[0010] Figure 2 It is a structural schematic diagram of the quantitative separation valve.

[0011] Explanation of the reference numerals: adsorbed material inlet 1, preheating area 2, heat exchanger 3, quantitative separation valve A4, desorption area 5, air inlet 6, air outlet 7, quantitative separation valve B8, cooling area 9, mechanical discharge valve 10, adsorbed material discharge port 11, seat bearing 12, unloading sheet 13, separation valve body 14, coupling 15, reducer base 16, reducer 17. DETAILED DESCRIPTION

[0012] 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 personnel in this technical field, the utility model can also be modified in a number of 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. In particular, the material channel wall of the combination of the above-mentioned preheating area, desorption area and cooling area is expanded into double rows or even multiple rows.

[0013] As an example, Figure 1 and Figure 2 As shown, a mechanism for quantitatively separating the desorption bed is used to separate the preheating area 2, the desorption area 5 and the cooling area 9 of the continuous desorption system, the preheating area 2 is provided with an adsorption material inlet 1, and the preheating area 2 is provided with a heat exchanger 3; the desorption area 5 is provided with an air inlet 6 and an air outlet 7; the cooling area 9 is provided with an air inlet 6 and an air outlet 7; the bottom of the cooling area 9 is provided with a discharge channel, the discharge channel is connected to the adsorbent discharge port 11, and a mechanical discharge valve 10 is provided on the discharge channel;

[0014] The mechanism for quantitatively separating the desorption bed includes a quantitative separation valve A4 and a quantitative separation valve B8; the quantitative separation valve A4 is arranged on the connecting channel between the preheating area 2 and the desorption area 5 to separate the preheating area 2 and the desorption area 5; the quantitative separation valve B8 is arranged on the connecting channel between the desorption area 5 and the cooling area 9 to separate the desorption area 5 and the cooling area 9; the quantitative separation valve A4 and the quantitative separation valve B8 both include a bearing with a seat 12, a discharge sheet 13, a separation valve body 14, a coupling 15, a reducer base 16 and a reducer 17; the reducer base 16 is used to support the reducer; in the quantitative separation valve A4 and the quantitative separation valve B8: the discharge sheet 13 is fixed on the bearing with a seat 12, and one end of the bearing with a seat 12 is fixed to the reducer 17 through the coupling 15; separation valve bodies 14 are provided on the outside of both sides of the discharge sheet 13.

[0015] When the continuous desorption system is desorbing normally: materials are filled into the preheating area 2, the desorption area 5 and the cooling area 9 from top to bottom;

[0016] When the desorption area 5 catches fire, close the adsorption material inlet 1, close the heat exchanger 3, the quantitative separation valve A4 and the quantitative separation valve B8, open the mechanical discharge valve 10 and the adsorbent discharge port 11, and discharge the adsorbent in the cooling area 9; then open the quantitative separation valve B8 to divert the material with sparks in the desorption area 5 out through the adsorbent discharge port 11.

Claims

1. A mechanism for quantitatively separating a desorption bed, used for separating a preheating area (2), a desorption area (5) and a cooling area (9) of a continuous desorption system, wherein the preheating area (2) is provided with an adsorbed material inlet (1), and a heat exchanger (3) is provided in the preheating area (2); an air inlet (6) and an air outlet (7) are provided in the desorption area (5); an air inlet (6) and an air outlet (7) are provided in the cooling area (9); a discharge channel is provided at the bottom of the cooling area (9), the discharge channel is connected to an adsorbed material discharge port (11), and a mechanical discharge valve (10) is provided on the discharge channel; the characteristics are as follows: The mechanism for quantitatively separating the desorption bed comprises a quantitative separation valve A (4) and a quantitative separation valve B (8); the quantitative separation valve A (4) is arranged on the connecting channel between the preheating area (2) and the desorption area (5), and separates the preheating area (2) from the desorption area (5); the quantitative separation valve B (8) is arranged on the connecting channel between the desorption area (5) and the cooling area (9), and separates the desorption area (5) from the cooling area (9).

2. The mechanism for quantitatively separating the desorption beds according to claim 1, characterized in that: The quantitative separation valve A (4) and the quantitative separation valve B (8) both comprise a bearing with a seat (12), a discharge plate (13), a separation valve body (14), a coupling (15) and a reducer (17). In the quantitative separation valve A (4) and the quantitative separation valve B (8), the discharge plate (13) is fixed on the bearing with a seat (12), and one end of the bearing with a seat (12) is fixed on the reducer (17) through the coupling (15); and separation valve bodies (14) are provided on the outside of both sides of the discharge plate (13).

3. The mechanism for quantitatively separating the desorption beds according to claim 2, characterized in that: The reducer (17) in the quantitative separation valve A (4) and the quantitative separation valve B (8) is also provided with a reducer base (16).

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