Heat-preservation steam condensate recovery device for steam-water mixture

Abstract

The utility model discloses a heat-preservation steam condensate recovery device for a steam-water mixture. The heat-preservation steam condensate recovery device comprises a box body, a baffling assembly, a steam water conveying pipe and a spraying system, the box body is provided with a steam exhaust port, a first connector and a second connector. The baffling assembly is installed on the inner side of the box body and divides the inner space of the box body into an upper cavity and a lower cavity. The baffling assembly comprises an inner ring, an outer ring and a plurality of inclined plates, the inner ring is located in the center of the box body, the outer ring is connected with the inner wall of the box body, and the two ends of each inclined plate are connected with the inner ring and the outer ring respectively. The multiple inclined plates are distributed in the circumferential direction of the baffling assembly, and an inclined channel is formed between every two adjacent inclined plates. One end of the steam conveying pipe is connected with the first connector, and the other end of the steam conveying pipe is connected with the inner ring so that steam drain can be guided into the lower cavity. The spraying system is installed on the top of the inner side of the box body. Compared with the prior art, the steam-water mixture heat preservation steam condensate recovery device has the advantage that the steam condensation rate of the recovery device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of condensate recovery, in particular to a device for recovering condensate of steam insulated from a steam-water mixture. Background Art

[0002] In sulfuric acid production, the steam generated by the waste heat boiler is generally used to drive the steam turbine to generate electricity. The steam compressed by the steam turbine can be heat exchanged in a graphite phosphate heat exchanger, or the waste heat can be used to generate electricity to improve its thermal energy utilization rate. After heat exchange or power generation, the steam also needs to be treated by a drain shower device, and the drain obtained after treatment needs to be collected at a fixed point in the corresponding recovery device. In the prior art, the steam treatment efficiency of the recovery device usually cannot meet the requirements. Utility Model Content

[0003] The utility model aims to provide a steam-water mixture heat preservation steam condensate recovery device to solve the problems existing in the above-mentioned prior art and improve the condensation rate of the recovery device for steam.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model discloses a steam-water mixture heat preservation steam condensate recovery device, comprising:

[0006] A box body, wherein the box body is provided with a steam exhaust port, a first interface and a second interface, wherein the first interface is located above the second interface, the first interface is used for passing steam into the drain, and the second interface is used for outputting condensate;

[0007] A baffle assembly, wherein the baffle assembly is installed inside the box body and divides the internal space of the box body into an upper cavity and a lower cavity; the first interface is located on the side wall of the upper cavity, and the second interface is located on the side wall of the lower cavity; the baffle assembly comprises an inner ring, an outer ring and an inclined plate, wherein the inner ring is located at the center of the box body, the outer ring is connected to the inner wall of the box body, and the two ends of the inclined plate are respectively connected to the inner ring and the outer ring; the number of the inclined plates is multiple, and the multiple inclined plates are distributed along the circumferential direction of the baffle assembly, and an inclined channel is formed between two adjacent inclined plates;

[0008] A steam water pipe, one end of which is connected to the first interface, and the other end of which is connected to the inner ring, so as to guide the steam drain into the lower cavity;

[0009] A spray system is installed on the inner top of the box.

[0010] Preferably, the spray system comprises a main pipeline and a plurality of branch pipelines, wherein the branch pipelines are connected to the main pipeline, and a plurality of spray heads are arranged on the branch pipelines.

[0011] Preferably, the main pipeline is arranged along the diameter of the box, the branch pipeline is perpendicular to the main pipeline, the branch pipeline is arranged horizontally, and the branch pipelines on both sides of the main pipeline are symmetrical to each other.

[0012] Preferably, the first branch pipeline and the second branch pipeline are arranged on both sides of the main pipeline; and the first branch pipeline and the second branch pipeline are arranged alternately and spaced apart on both sides of the main pipeline.

[0013] Preferably, the length of the second branch pipeline is twice the length of the first branch pipeline.

[0014] Preferably, on both sides of the main pipeline, the distances between two adjacent branch pipelines are the same.

[0015] Preferably, the plurality of inclined plates are evenly distributed along the circumferential direction of the deflector assembly.

[0016] Preferably, the inclined plate is a flat plate or a curved plate.

[0017] Preferably, the steam condensate recovery device for the steam-water mixture insulation further comprises a wire mesh defoaming layer, and the wire mesh defoaming layer is installed inside the box body and is located above the spray system.

[0018] Compared with the prior art, the utility model has achieved the following technical effects:

[0019] Due to the effect of the inclined channel formed between two adjacent inclined plates, not only the rising speed of steam is slowed down, but also the uniformity of steam distribution is improved. By slowing down the rising speed of steam, the steam stays in the upper cavity for a longer time and contacts the process water for a longer time; by improving the uniformity of steam distribution, the probability of steam contacting the process water is greater. Therefore, the setting of the above-mentioned inclined channel can make more steam condense, thereby improving the condensation rate of steam in the recovery device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the internal structure of the steam condensate recovery device for heat preservation of steam-water mixture according to an embodiment of the utility model;

[0022] Figure 2 is a schematic diagram of the baffle assembly from the side;

[0023] Figure 3 is a schematic diagram of the baffle assembly when viewed from above;

[0024] Figure 4 This is a schematic diagram of the sprinkler system from a top-down perspective.

[0025] In the figure: 1-box; 11-exhaust port; 12-first interface; 13-second interface; 14-upper cavity; 15-lower cavity; 16-horizontal bracket; 2-baffle assembly; 21-inner ring; 22-outer ring; 23-inclined plate; 3-spraying system; 31-main pipeline; 32-first branch pipeline; 33-second branch pipeline; 34-spraying head; 4-wire mesh defoaming layer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model aims to provide a steam-water mixture heat preservation steam condensate recovery device to solve the problems existing in the above-mentioned prior art and improve the condensation rate of the recovery device for steam.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Reference Figure 1 to Figure 4 This embodiment provides a steam condensate recovery device for heat-insulating a steam-water mixture, comprising a box body 1, a baffle assembly 2, a steam water pipe and a spray system 3.

[0030] The housing 1 is provided with a steam exhaust port 11, a first interface 12 and a second interface 13. The first interface 12 is located above the second interface 13. The first interface 12 is used to pass steam and drain, and the second interface 13 is used to output condensate. The baffle assembly 2 is installed on the inner side of the housing 1, and divides the internal space of the housing 1 into an upper cavity 14 and a lower cavity 15. The first interface 12 is located on the side wall of the upper cavity 14, and the second interface 13 is located on the side wall of the lower cavity 15. The baffle assembly 2 includes an inner ring 21, an outer ring 22 and an inclined plate 23. The inner ring 21 is located at the center of the housing 1, and the outer ring 22 is connected to the inner wall of the housing 1. The two ends of the inclined plate 23 are respectively connected to the inner ring 21 and the outer ring 22. There are multiple inclined plates 23, and the multiple inclined plates 23 are distributed along the circumferential direction of the baffle assembly 2, and an inclined channel is formed between two adjacent inclined plates 23. One end of the steam water pipe is connected to the first interface 12, and the other end of the steam water pipe is connected to the inner ring 21 to guide the steam water into the lower cavity 15. The spray system 3 is installed on the inner top of the box body 1.

[0031] The working principle of the steam condensate recovery device for the steam-water mixture heat preservation of this embodiment (hereinafter referred to as the recovery device) is as follows:

[0032] The external steam drain (water temperature is about 100°C) enters the lower cavity 15 on the inner side of the box body 1 through the steam water pipe. The steam in the lower cavity 15 rises and enters the upper cavity 14 through the inclined channel. At the same time, the spray system 3 sprays process water for cooling the steam. The process water can be desalted water at about 20°C. Most of the steam condenses after contacting the process water and falls back into the lower cavity 15. A small amount of non-condensable steam is discharged into the atmosphere through the exhaust pipe (almost invisible). Finally, the condensate in the lower cavity 15 is discharged from the box body 1 through the second interface 13 and can be used as boiler feed water to achieve the purpose of recycling the condensate and treating the environment.

[0033] Due to the effect of the inclined channel formed between two adjacent inclined plates 23, not only the rising speed of steam is slowed down, but also the uniformity of steam distribution is improved. By slowing down the rising speed of steam, the steam stays in the upper cavity 14 for a longer time and contacts the process water for a longer time; by improving the uniformity of steam distribution, the probability of steam contacting the process water is greater. Therefore, the setting of the above-mentioned inclined channel can make more steam condense, thereby improving the condensation rate of steam by the recovery device.

[0034] There are many specific configurations of the spray system 3, and those skilled in the art can select one according to actual needs.

[0035] As a possible example, in this embodiment, the spray system 3 includes a main pipeline 31 and a plurality of branch pipelines, the branch pipelines are connected to the main pipeline 31, and a plurality of spray heads 34 are arranged on the branch pipelines. The main pipeline 31 is connected to an external process water supply system, and the process water used to cool the steam is distributed to the plurality of branch pipelines, and then sprayed out by the plurality of spray heads 34 on the branch pipelines.

[0036] As a possible example, in this embodiment, the main line 31 is arranged along the diameter of the housing 1, the branch lines are perpendicular to the main line 31, the branch lines are arranged horizontally, and the branch lines on both sides of the main line 31 are symmetrical to each other. Since the main line 31 is arranged along the diameter of the housing 1, the branch lines on both sides of the main line 31 are symmetrical about the main line 31, so that both sides of the main line 31 are sprayed evenly.

[0037] As a possible example, in this embodiment, a first branch pipeline 32 and a second branch pipeline 33 are provided on both sides of the main pipeline 31. On both sides of the main pipeline 31, the first branch pipeline 32 and the second branch pipeline 33 are arranged alternately. The first branch pipeline 32 and the second branch pipeline 33 are both supported by a horizontal bracket 16, and the horizontal bracket 16 is fixed on the inner wall of the box body 1.

[0038] As a possible example, in this embodiment, the length of the second branch pipeline 33 is twice the length of the first branch pipeline 32. According to different actual needs, those skilled in the art may also select other length relationships.

[0039] As a possible example, in this embodiment, on both sides of the main pipeline 31, the distances between two adjacent branch pipelines are the same.

[0040] As a possible example, in this embodiment, a plurality of inclined plates 23 are evenly distributed along the circumferential direction of the baffle assembly 2. This can improve the uniformity of steam distribution in the entire circumferential direction, which is conducive to further improving the condensation rate of steam.

[0041] As a possible example, in this embodiment, the inclined plate 23 is a flat plate or a curved plate. The curved plate here can be a smooth curved plate or a curved plate with a corrugated surface. When the inclined plate 23 is a flat plate, its inclination angle α relative to the horizontal plane can be 24°.

[0042] As a possible example, in this embodiment, the recovery device further includes a wire mesh defoaming layer 4, which is installed inside the box 1 and located above the spray system 3 to remove foam in the gas that is finally discharged to the atmosphere. Exemplarily, the top of the box 1 is a conical top, and the center of the conical top is an exhaust port.

[0043] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A steam-water mixture heat preservation steam condensate recovery device, characterized in that: include: A box body, wherein the box body is provided with a steam exhaust port, a first interface and a second interface, wherein the first interface is located above the second interface, the first interface is used for passing steam into the drain, and the second interface is used for outputting condensate; A baffle assembly, wherein the baffle assembly is installed inside the box body and divides the internal space of the box body into an upper cavity and a lower cavity; the first interface is located on the side wall of the upper cavity, and the second interface is located on the side wall of the lower cavity; the baffle assembly comprises an inner ring, an outer ring and an inclined plate, wherein the inner ring is located at the center of the box body, the outer ring is connected to the inner wall of the box body, and the two ends of the inclined plate are respectively connected to the inner ring and the outer ring; the number of the inclined plates is multiple, and the multiple inclined plates are distributed along the circumferential direction of the baffle assembly, and an inclined channel is formed between two adjacent inclined plates; A steam water pipe, one end of which is connected to the first interface, and the other end of which is connected to the inner ring, so as to guide the steam drain into the lower cavity; A spray system is installed on the inner top of the box.

2. The device for recovering condensate of steam from a steam-water mixture according to claim 1, characterized in that: The spray system comprises a main pipeline and a plurality of branch pipelines, wherein the branch pipelines are connected to the main pipeline and a plurality of spray heads are arranged on the branch pipelines.

3. The device for recovering condensate of steam from a steam-water mixture according to claim 2, characterized in that: The main pipeline is arranged along the diameter of the box body, the branch pipeline is perpendicular to the main pipeline, the branch pipeline is arranged horizontally, and the branch pipelines on both sides of the main pipeline are symmetrical to each other.

4. The device for recovering condensate of steam from a steam-water mixture according to claim 3, characterized in that: The first branch pipeline and the second branch pipeline are arranged on both sides of the main pipeline; the first branch pipeline and the second branch pipeline are arranged alternately and spaced on both sides of the main pipeline.

5. The device for recovering condensate of steam from a steam-water mixture according to claim 4, characterized in that: The length of the second branch pipeline is twice the length of the first branch pipeline.

6. The device for recovering condensate of steam from a steam-water mixture according to claim 4, characterized in that: On both sides of the main pipeline, the distances between two adjacent branch pipelines are the same.

7. The device for recovering condensate of steam from a steam-water mixture according to claim 1, characterized in that: The plurality of inclined plates are evenly distributed along the circumferential direction of the deflector assembly.

8. The device for recovering condensate of steam from a steam-water mixture according to claim 1, characterized in that: The inclined plate is a flat plate or a curved plate.

9. The device for recovering condensate of steam from a steam-water mixture according to claim 1, characterized in that: The steam condensate recovery device for the steam-water mixture insulation also includes a wire mesh defoaming layer, which is installed inside the box body and located above the spray system.

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