Vaporizer device

Abstract

The utility model relates to a vaporizer device which comprises a shell, and a wire mesh demister I, an inlet distributor II and a separation inclined plate heater III are sequentially arranged in the shell from top to bottom. The inlet distributor II comprises a distribution assembly, the distribution assembly comprises an upper sealing plate and a lower sealing plate, two groups of distribution plates are symmetrically arranged between the upper sealing plate and the lower sealing plate along the axis of the barrel, each group of distribution plates comprises a plurality of arc-shaped baffles which are uniformly arranged at intervals, an inner wire mesh is arranged at one end, close to the downcomer, of each arc-shaped baffle, and flat steel is arranged at the other end of each arc-shaped baffle; an outer wire mesh is arranged between two adjacent flat steels in the same group; the separation inclined plate heater III comprises two groups of heating collecting pipes arranged in the shell, a heating separation module is arranged between the two groups of heating collecting pipes, the bottom of the shell is communicated with a condensate drain pipe, and the downcomer penetrates through the heating separation module. According to the utility model, the condensate in the vent gas is continuously heated and vaporized, so that the content of liquid drops in the vent gas is greatly reduced, and the safety and stability of the RTO furnace are guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of petrochemical tail gas treatment technology, and specifically relates to a vaporizer device. Background Technology

[0002] In petrochemical industry exhaust gas treatment devices, the aldehyde-containing vent gas, process vent gas, and CO2 vent gas emitted from ethylene glycol need to be combusted in an RTO furnace to effectively control VOCs concentration. However, the vent gas often contains chloride ions, which produce acidic substances in the waste gas condensate, causing severe corrosion of the RTO furnace equipment substrate. Therefore, in order to ensure the safe and stable operation of the RTO furnace, it is necessary to eliminate the condensate generated in the RTO furnace.

[0003] A novel vaporizer device is installed before the RTO furnace inlet to effectively eliminate condensate in the vent air passing through the vaporizer before it enters the RTO furnace, thereby ensuring the safe and stable operation of the RTO furnace. Utility Model Content

[0004] To address the existing technical problems, this utility model proposes a vaporizer device to solve the problem of difficult removal of condensate in current RTO furnaces.

[0005] The purpose of this utility model and the technical problem it solves are achieved by the following technical solution. A vaporizer device according to this utility model includes a housing, an inlet pipe on the side wall of the housing, an exhaust port on the top of the housing, and inside the housing, from top to bottom, a wire mesh demister I, an inlet distributor II, and a separating inclined plate heater III;

[0006] The inlet distributor II includes a distribution assembly, which includes an upper sealing plate and a lower sealing plate. The upper and lower sealing plates are radially distributed along the cylinder and symmetrically arranged on the upper and lower sides of the inlet pipe. Several downcomers are connected to the middle of the lower sealing plate. Two sets of distribution plates are symmetrically arranged between the upper and lower sealing plates along the axis of the cylinder, forming an air intake chamber corresponding to the inlet pipe between the two sets of distribution plates. Each set of distribution plates includes several evenly spaced arc-shaped baffles. One end of the arc-shaped baffle near the downcomer is provided with an inner wire mesh, and the other end is provided with a flat steel. An outer wire mesh is provided between two adjacent flat steels in the same set.

[0007] The separating inclined plate heater III includes two sets of heating manifolds disposed inside the housing, with a heating separation module between the two sets of heating manifolds. The bottom of the housing is connected to a condensate drain pipe, and the downcomer passes through the heating separation module and extends above the condensate drain pipe.

[0008] Furthermore, both the upper and lower sealing plates are V-shaped plates, and their V-grooves are arranged opposite each other. The downcomer is located in the V-groove of the lower sealing plate.

[0009] Furthermore, one end of the lower sealing plate is provided with a front reinforcing rib, and the other end is provided with a rear reinforcing rib. The lower sealing plate is fixed to the inner wall of the cylinder through the front and rear reinforcing ribs.

[0010] Furthermore, an upper support plate is fixed to the upper end of the upper sealing plate, and a lower support plate is fixed to the lower end of the lower sealing plate.

[0011] Furthermore, a flow divider is provided inside the air intake chamber, and the flow divider is located at the end away from the inlet pipe.

[0012] Furthermore, the heating separation module is composed of several stacked heating separation inclined plate groups; each heating separation inclined plate group consists of several heating separation inclined plates; the heating separation inclined plate includes a connecting plate, on which several inclined plates are evenly distributed at intervals; the inclined plates in each heating separation inclined plate group face the same direction, and there is a gap between two adjacent heating separation inclined plates to allow droplets to enter; the inclined plates in two adjacent heating separation inclined plate groups face opposite directions, and after several heating separation inclined plate groups are stacked, several wavy channels for droplets to pass through are formed, and the wavy channels correspond one-to-one with the gaps, and the two are connected.

[0013] Furthermore, the two sets of heating manifolds are connected by several heating branch pipes, which pass through the heating separation module and are used to heat the heating separation module.

[0014] Furthermore, several heating branch pipes are evenly spaced and distributed in a circular pattern.

[0015] Furthermore, the heating separation module is provided with several through holes, and the heating branch pipe passes through the through holes and is fixedly connected to the heating separation module.

[0016] Furthermore, the upper end of the heating separation module is fixed with an upper support beam, and the lower end is fixed with a lower support beam. The heating separation module is fixed inside the housing by the upper support beam and the lower support beam.

[0017] In summary, this utility model, by setting inner and outer wire meshes at the air inlet and outlet of the arc-shaped baffle respectively, can perform multiple gas-liquid separations on the distributed gas. The separated condensate is collected centrally through a downcomer, avoiding the problem of relatively dispersed droplets inside the gas. This allows the intercepted condensate to be vaporized in a concentrated manner, which is beneficial for subsequent vaporization work and convenient to use.

[0018] Furthermore, several inclined plates are arranged facing different directions in the heating and separation inclined plate group, and the stacked heating and separation inclined plate group forms several wavy channels for droplets to pass through. When a droplet falls onto an inclined plate in the wavy channel, the inclined plate intercepts the droplet, which can slow down the flow speed of the droplet, increase the contact time with the inclined plate, and enable more complete heating and vaporization of the droplet. At the same time, the wavy channel formed by the inclined plates has a large area, which can vaporize more droplets at one time, and avoid the problem of droplets dripping due to insufficient vaporization, thereby improving the efficiency and quality of droplet vaporization.

[0019] Simultaneously, the wire mesh demister ensures that the condensate in the vent air is continuously heated and vaporized, greatly reducing the droplet content in the vent air and ensuring the safety and stability of the RTO furnace.

[0020] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, preferred embodiments are given below, and detailed descriptions are provided in conjunction with the accompanying drawings. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a vaporizer device according to the present invention.

[0022] Figure 2 This is a schematic diagram of the inlet distributor.

[0023] Figure 3 for Figure 2 Sectional view of AA.

[0024] Figure 4 for Figure 2 A cross-sectional view of BB.

[0025] Figure 5 This is a schematic diagram of a split inclined plate heater.

[0026] Figure 6 This is a top view of the distribution of heating branch pipes.

[0027] Figure 7 This is a top view of the heating separation module.

[0028] Figure 8 This is a schematic diagram of a single heating separation inclined plate. Detailed Implementation

[0029] The technical solution of this utility model will be further described below with reference to the accompanying drawings and preferred embodiments.

[0030] Please see Figure 1 A vaporizer device includes a housing 1, which is cylindrical. An inlet pipe 5 is provided on the side wall of the housing 1, and an exhaust port 16 is provided on the top of the housing 1. Inside the housing 1, from top to bottom, a wire mesh demister I, an inlet distributor II, and a separation inclined plate heater III are arranged sequentially.

[0031] Please see Figures 2-4The inlet distributor II includes a distribution assembly, which includes an upper sealing plate 2 and a lower sealing plate 8. The upper sealing plate 2 and the lower sealing plate 8 are radially distributed along the cylinder 1 and symmetrically arranged on the upper and lower sides of the inlet pipe 5. Both the upper sealing plate 2 and the lower sealing plate 8 are V-shaped plates, and their V-shaped grooves are arranged opposite each other. Several downcomers 10 are connected to the middle of the lower sealing plate 8. The downcomers 10 are located at the V-shaped grooves of the lower sealing plate 8 to facilitate the guidance and collection of condensate.

[0032] Two sets of distribution plates are symmetrically arranged between the upper sealing plate 2 and the lower sealing plate 8 along the axis of the cylinder 1. An air inlet chamber corresponding to the inlet pipe 5 is formed between the two sets of distribution plates. The air inlet end of the air inlet chamber corresponds to the air outlet end of the inlet pipe 5. Each set of distribution plates includes several evenly spaced arc-shaped baffles 6, and the concave part of the arc-shaped baffles 6 faces the inlet pipe 5. An inner wire mesh 12 is provided at one end of the arc-shaped baffle 6 near the downcomer pipe 10, and a flat steel 14 is provided at the other end. An outer wire mesh 11 is provided between two adjacent flat steels 14 in the same set. The inner wire mesh 12 and the outer wire mesh 11 are formed by cross-stacking of gas-liquid filter meshes. The inner wire mesh 12 can be welded to the arc-shaped baffle 6, and the outer wire mesh 11 can be tied to the flat steel 14 with steel wire.

[0033] The lower sealing plate 8 has a front reinforcing rib 7 at one end and a rear reinforcing rib 15 at the other end. The lower sealing plate 8 is fixed to the inner wall of the cylinder 1 through the front reinforcing rib 7 and the rear reinforcing rib 15. The upper sealing plate 2 and the lower sealing plate 8 are welded to the cylinder 1 at both ends along the radial distribution of the cylinder 1, which can improve the stability of the distribution assembly when connected to the cylinder 1. At the same time, the upper end of the upper sealing plate 2 is fixed to the upper support plate 3, and the lower end of the lower sealing plate 8 is fixed to the lower support plate 9. Both the upper support plate 3 and the lower support plate 9 are fixed to the cylinder 1, which can further improve the stability of the distribution assembly.

[0034] The upper sealing plate 2 has an arc-shaped guide plate 4 at the air inlet end, which can seal the connection between the upper sealing plate 2 and the cylinder 1 to prevent gas from escaping; the air inlet chamber is provided with a flow divider 13, which is located at the end away from the inlet pipe 5. The flow divider 13 is used to guide the gas flow of the arc-shaped baffle 6 at the end, which can prevent gas from accumulating at the tail of the distribution component, thus preventing gas-liquid separation.

[0035] Please see Figures 5-8The inclined plate heater III includes two sets of heating manifolds 23 for heating, which are located inside the housing 1. The upper heating manifold 23 is provided with a steam inlet 17, and the lower heating manifold 23 is provided with a condensate outlet 18. The two sets of heating manifolds 23 are connected by several heating branch pipes 22. The heating branch pipes 22 are evenly spaced and the heating manifolds 23 are radially distributed in a circular pattern on the plane. A heating separation module 26 is provided between the two sets of heating manifolds 23. The heating separation module 26 is provided with several through holes 27. The heating branch pipes 22 pass through the through holes 27 and abut against the heating separation module 26, which can satisfy the free expansion between the heating branch pipes 22 and the heating separation module 26. The bottom of the housing 1 is connected to a condensate drain pipe 19. The downcomer 10 passes through the heating separation module 26 and extends above the condensate drain pipe 19.

[0036] The heating separation module 26 is composed of several stacked heating separation inclined plate groups. In this utility model, nine heating separation inclined plate groups are stacked to form the heating separation module 26. The heating separation inclined plate includes a connecting plate 20, and several inclined plates 21 are evenly distributed on the connecting plate 20. Each heating separation inclined plate group is composed of several heating separation inclined plates arranged in sequence. That is, the connecting plates 20 of several heating separation inclined plates are arranged in sequence and fixed on a support rod to form a heating separation inclined plate group. In order to fit the shell 1, the heating separation module 26 is made into a cylindrical shape by processing in this utility model.

[0037] The inclined plates 21 in each heating separation inclined plate group face the same direction, and there is a gap 28 between two adjacent heating separation inclined plates in each heating separation inclined plate group to allow droplets to enter; at the same time, the inclined plates 21 in two adjacent stacked heating separation inclined plate groups face opposite directions, that is, the first layer of inclined plates 21 faces left, and the second layer of inclined plates 21 faces right. After several heating separation inclined plate groups are stacked, several wavy channels for droplets to pass through are formed. The wavy channels correspond one-to-one with the gaps 28 and the two are connected. In use, droplets fall into the wavy channels through the gaps 28 and are heated and vaporized.

[0038] The upper end of the heating separation module 26 is fixedly connected to an upper support beam 25, and the lower end is fixedly connected to a lower support beam 24. The upper end of the heating separation module 26 is fixed inside the housing 1 through the upper support beam 25 and the lower end through the lower support beam 24.

[0039] The process flow of this utility model is as follows: Ethylene glycol emission containing aldehydes, process venting air and CO2 venting air enter from the inlet pipe 5. The venting air first enters the inlet distributor II, and undergoes a gas-liquid separation through the arc-shaped baffle 6. Then, it passes through the inner wire mesh 12 and the outer wire mesh 11 on both sides, and undergoes a second gas-liquid separation. The intercepted droplets are collected and flow out through the lower sealing plate 8 and the downcomer 10.

[0040] The downcomer 10 passes through the separating inclined plate heater III, where the liquid droplets inside are heated and vaporized, rise, and re-enter the inlet distributor II, where they are separated again. The separated gas rises to the wire mesh demister I, where it is discharged and the liquid droplets are intercepted and fall onto the upper sealing plate 2. The liquid droplets are then guided by the upper sealing plate 2 into the inclined plate heater III, where they enter the corrugated channel for heating and vaporization. The vaporized liquid and the liquid in the downcomer 10 flow out through the condensate drain pipe 19, while the gas rises again and is intercepted and separated by the wire mesh demister I. This process continuously heats and vaporizes the condensate in the vent air, reducing the liquid content in the vent air.

[0041] The above description is merely a preferred embodiment of this utility model. Any simple modifications, equivalent changes, and alterations made by those skilled in the art to the above embodiments based on the technical essence of this utility model without departing from the scope of the technical solution of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A vaporizer device, characterized in that: Includes a shell (1), an inlet pipe (5) is provided on the side wall of the shell (1), an exhaust port (16) is provided on the top of the shell (1), and a wire mesh demister I, an inlet distributor II, and a separation inclined plate heater III are arranged in sequence from top to bottom inside the shell (1); The inlet distributor II includes a distribution assembly, which includes an upper sealing plate (2) and a lower sealing plate (8). The upper sealing plate (2) and the lower sealing plate (8) are radially distributed along the shell (1) and symmetrically arranged on the upper and lower sides of the inlet pipe (5). The middle part of the lower sealing plate (8) is connected to several downcomers (10). Two sets of distribution plates are symmetrically arranged between the upper sealing plate (2) and the lower sealing plate (8) along the axis of the shell (1). An air intake chamber corresponding to the inlet pipe (5) is formed between the two sets of distribution plates. Each set of distribution plates includes several evenly spaced arc-shaped baffles (6). One end of the arc-shaped baffle (6) near the downcomer (10) is provided with an inner wire mesh (12), and the other end is provided with a flat steel (14). An outer wire mesh (11) is provided between two adjacent flat steels (14) in the same set. The separating inclined plate heater III includes two sets of heating manifolds (23) disposed in the housing (1), and a heating separation module (26) is provided between the two sets of heating manifolds (23). The bottom of the housing (1) is connected to a condensate drain pipe (19). The downcomer (10) passes through the heating separation module (26) and extends above the condensate drain pipe (19).

2. The vaporizer device according to claim 1, characterized in that: Both the upper sealing plate (2) and the lower sealing plate (8) are V-shaped plates, and their V-shaped grooves are arranged opposite each other. The downcomer (10) is located at the V-shaped groove of the lower sealing plate (8).

3. The vaporizer device according to claim 1, characterized in that: The lower sealing plate (8) has a front reinforcing rib (7) at one end and a rear reinforcing rib (15) at the other end. The lower sealing plate (8) is fixed to the inner wall of the shell (1) through the front reinforcing rib (7) and the rear reinforcing rib (15).

4. The vaporizer device according to claim 1, characterized in that: The upper end of the upper sealing plate (2) is fixedly connected to the upper support plate (3), and the lower end of the lower sealing plate (8) is fixedly connected to the lower support plate (9).

5. A vaporizer device according to claim 1, characterized in that: A flow divider (13) is provided in the air intake chamber, and the flow divider (13) is located at the end away from the inlet pipe (5).

6. A vaporizer device according to claim 1, characterized in that: The heating separation module (26) is composed of several heating separation inclined plate groups stacked together; each heating separation inclined plate group is composed of several heating separation inclined plates; the heating separation inclined plate includes a connecting plate (20), and several inclined plates (21) are evenly distributed on the connecting plate (20); the inclined plates (21) in each heating separation inclined plate group face the same direction, and there is a gap (28) between two adjacent heating separation inclined plates to allow droplets to enter; the inclined plates (21) in two adjacent heating separation inclined plate groups face opposite directions, and after several heating separation inclined plate groups are stacked together, several wavy channels for droplets to pass through are formed, and the wavy channels correspond one-to-one with the gaps (28), and the two are connected.

7. The vaporizer device according to claim 1, characterized in that: The two sets of heating manifolds (23) are connected by several heating branch pipes (22), which pass through the heating separation module (26) and are used to heat the heating separation module (26).

8. A vaporizer device according to claim 7, characterized in that: Several heating branch pipes (22) are evenly spaced and distributed in a circular pattern.

9. A vaporizer device according to claim 7, characterized in that: The heating separation module (26) is provided with several through holes (27), and the heating branch pipe (22) passes through the through holes (27) and is fixedly connected to the heating separation module (26).

10. A vaporizer device according to claim 1, characterized in that: The upper end of the heating separation module (26) is fixed with an upper support beam (25) and the lower end is fixed with a lower support beam (24). The heating separation module (26) is fixed in the housing (1) by the upper support beam (25) and the lower support beam (24).

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