Chemical tail gas condensing device
The chemical exhaust condensation device designed by the vortex plate solves the problem of direct emission of harmful gases in the chemical exhaust, achieves efficient condensation and gas-liquid separation, and reduces the risk of environmental pollution.
Patent Information
- Application Number
- CN202422282436.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Direct emission of harmful gases in chemical exhaust gases will lead to environmental pollution, and the existing condensation method is inefficient in treatment and is difficult to effectively purify.
A chemical exhaust condensation device designed with a vortex plate is formed inside and outside the vortex plate. The heat conduction and heat exchange are achieved through the vortex plate, and the condensate is collected in combination with the collection box to achieve gas-liquid separation.
It achieves efficient condensation of harmful gases in chemical exhaust gases, has good gas-liquid separation effect, and reduces the risk of environmental pollution.
Smart Images
Figure CN223138401U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of condensation, and particularly relates to a chemical tail gas condensation device. Background Art
[0002] The tail gas generated in chemical production contains harmful gases with a certain concentration. If these harmful gases are directly discharged into the atmosphere, it will cause serious pollution to the atmospheric environment, lead to the deterioration of air quality, and even affect the physical health of the public.
[0003] The condensation method is a common method for treating chemical tail gas. This method purifies the tail gas by reducing the temperature of the harmful gases in the chemical tail gas to condense them into a liquid state, preventing the direct discharge of harmful gases from polluting the air environment. Therefore, a chemical tail gas condensation device is provided. Content of the Utility Model
[0004] The purpose of the utility model is to provide a chemical tail gas condensation device for realizing the condensation treatment of chemical tail gas.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A chemical tail gas condensation device includes a closed heat exchange cavity; a spiral plate is arranged in the heat exchange cavity, and the spiral plate makes the heat exchange cavity outside it form a spiral chemical tail gas passage; the spiral plate is a hollow shell, and a spiral cold flow passage is formed inside it.
[0007] Further, an air inlet pipe is connected to the outer edge of the heat exchange cavity, and an exhaust pipe is connected to the middle of the heat exchange cavity; the inner end and the outer end of the spiral plate are respectively connected with a cold flow inlet pipe and a cold flow outlet pipe.
[0008] Further, it also includes a collection box for collecting condensate. The collection box is located below the heat exchange cavity, and a liquid guide hole is arranged in the middle of the upper wall of the collection box.
[0009] Further, a heat exchange cover is connected to the upper side of the collection box, and the heat exchange cavity is formed between the heat exchange cover and the upper side of the collection box.
[0010] Further, the upper side surface of the upper wall of the collection box is an inverted conical surface that gradually increases from the center to the periphery; the spiral plate is connected to the lower side of the upper wall of the heat exchange cover; the lower side of the spiral plate abuts against the upper side of the inverted conical surface.
[0011] Further, a drain pipe is connected to the lower end of the collection box, and a valve is installed on the drain pipe.
[0012] Further, legs are installed on the edge of the collection box.
[0013] Further, a viewing window is arranged on one side of the collection box.
[0014] Furthermore, a plurality of baffle plates are provided inside the spiral plate, and there are gaps between adjacent baffle plates and the two opposite inner walls of the spiral plate respectively.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0016] In the present utility model, through the hollow spiral plate in the heat exchange cavity, a cold flow channel and a chemical tail gas channel are respectively formed inside and outside the spiral plate, and heat conduction and heat exchange are realized through the spiral plate, thereby realizing the condensation of harmful gases in the chemical tail gas;
[0017] In the present utility model, the condensate is collected by the collection box, and the exhaust gas is discharged upward to achieve gas-liquid separation; the inverted conical surface facilitates the collection of the condensate towards the bottom center and then guides it into the collection box; through the baffle plates, the cold flow cools the spiral plate sufficiently to ensure a low-temperature environment in the heat exchange cavity, thereby fully condensing the harmful gases in the chemical tail gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic vertical sectional structure diagram of the present utility model.
[0019] Figure 2 It is a schematic external structure diagram of the present utility model.
[0020] Figure 3 It is a schematic horizontal sectional structure diagram of the present utility model.
[0021] Figure 4 It is a schematic three-dimensional structure diagram of the spiral plate of the present utility model.
[0022] Figure 5 It is a schematic side view of the spiral plate of the present utility model.
[0023] Figure 6 It is a schematic diagram of the flattened state of the spiral plate of the present utility model.
[0024] Figure 7 It is a schematic structure diagram of the collection box of the present utility model.
[0025] In the figure: 1, heat exchange cavity; 2, spiral plate; 3, intake pipe; 4, exhaust pipe; 5, cold flow inlet pipe; 6, cold flow outlet pipe; 7, collection box; 8, liquid guide hole; 9, heat exchange cover; 10, inverted conical surface; 11, drain pipe; 12, valve; 13, window; 14, support leg; 201, baffle plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model, that is, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Usually, the components of the embodiments of the present utility model described and shown in the accompanying drawings herein can be arranged and designed in various different configurations.
[0027] In the description of the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" that may appear should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.
[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the term "provided with" that may appear should be understood in a broad sense. For example, the object of "provided with" may be a part of the body, or may be arranged separately from the body and connected to the body, and this connection may be a detachable connection or a non-detachable connection. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.
[0029] The present utility model will be further described in detail below in conjunction with embodiments.
[0030] Specific embodiments of the chemical tail gas condensation device provided by the present utility model:
[0031] Please refer to Figure 1-7 , a chemical tail gas condensation device, including a collection tank 7 for collecting condensate and a heat exchange cover 9. The lower side of the heat exchange cover 9 has an opening and is connected to the upper side of the collection tank 7 by bolts. A sealed heat exchange cavity 1 is formed between the heat exchange cover 9 and the upper side of the collection tank 7.
[0032] A spiral plate 2 is provided in the heat exchange cavity 1. The spiral plate 2 makes the heat exchange cavity 1 outside it form a spiral chemical tail gas channel; the spiral plate 2 is a hollow shell, and a spiral cold flow channel is formed inside it; the cold flow can use a refrigerant medium such as cooling water or cooling oil.
[0033] An air inlet pipe 3 is provided at the outer edge of the heat exchange cavity 1, and an exhaust pipe 4 is provided on the upper side of the middle of the heat exchange cavity 1. The air inlet pipe 3 and the exhaust pipe 4 are connected to the heat exchange cover 9 and communicate with the heat exchange cavity 1. The exhaust pipe 4 and the air inlet pipe 3 are for the entry and exit of chemical tail gas, and flanges are provided at their ends for easy connection to the chemical tail gas conveying pipeline.
[0034] The inner end and the outer end of the spiral plate 2 are respectively connected with a cold flow inlet pipe 5 and a cold flow outlet pipe 6; both the cold flow inlet pipe 5 and the cold flow outlet pipe 6 pass through the heat exchange cover 9, and anti-slip patterns are provided on the outer sides of their outer ends, and they can be connected with an external cold flow conveying hose through a hoop.
[0035] A number of baffle plates 201 are arranged inside the spiral plate 2, and there are gaps between adjacent baffle plates 201 and the upper and lower opposite inner walls of the spiral plate 2 respectively; the cold flow circulates in a reciprocating and folding shape inside the spiral plate 2, and the cold flow cools the spiral plate 2 more fully to ensure a low-temperature environment inside the heat exchange cavity 1.
[0036] The spiral plate 2 is made of a metal material with good heat conductivity. The cold flow flowing through the spiral plate 2 cools the spiral plate 2, forming a low-temperature environment inside the heat exchange cavity 1; the chemical tail gas passes through the spiral channel outside the spiral plate 2, the temperature decreases, and the harmful gas cools and condenses into a liquid, and converges to the bottom of the heat exchange cavity 1 by gravity; the chemical tail gas after condensation and decontamination is discharged from the exhaust pipe 4 on the upper side of the heat exchange cover 9, and the gas-liquid separation is achieved smoothly.
[0037] The upper side of the upper wall of the collection box 7 is an inverted conical surface 10 that gradually increases from the center to the periphery; the spiral plate 2 is connected to the lower side of the upper wall of the heat exchange cover 9; the lower sides of the spiral plate 2 are all in contact with the upper side of the inverted conical surface 10; the inverted conical surface 10 with a low middle and high periphery is conducive to the condensation liquid converging to the center of the inverted conical surface 10.
[0038] A liquid guiding hole 8 is provided in the middle of the upper wall of the collection box 7; the converged condensation liquid enters the collection box 7 through the liquid guiding hole 8.
[0039] Four legs 14 are installed on the edge of the collection box 7; the lower part of the collection box 7 is in an inverted conical shape, and a drain pipe 11 is connected to the middle of the lower end of the collection box 7, and a valve 12 is installed on the drain pipe 11; a viewing window 13 is provided on one side of the collection box 7; the height of the condensation liquid stored inside the collection box 7 can be observed through the viewing window 13. When the condensation liquid needs to be cleaned, the valve 12 is opened, and the condensation liquid can be discharged through the drain pipe 11.
[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still make modifications to the technical solutions recorded in the foregoing embodiments without creative labor, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A chemical tail gas condensation device, comprising a sealed heat exchange cavity (1); characterized in that: A spiral plate (2) is provided in the heat exchange cavity (1), and the spiral plate (2) forms a spiral chemical tail gas passage in the heat exchange cavity (1) on its outer side; the spiral plate (2) is a hollow shell, and a spiral cold flow passage is formed inside it.
2. The chemical tail gas condensation device according to claim 1, characterized in that: An intake pipe (3) is connected to the outer edge of the heat exchange cavity (1), and an exhaust pipe (4) is connected to the middle of the heat exchange cavity (1); the inner end and the outer end of the spiral plate (2) are respectively connected to a cold flow inlet pipe (5) and a cold flow outlet pipe (6).
3. The chemical tail gas condensation device according to claim 1 or 2, characterized in that: It further includes a collection box (7) for collecting condensed liquid. The collection box (7) is located below the heat exchange cavity (1), and a liquid guide hole (8) is provided in the middle of the upper wall of the collection box (7).
4. The chemical tail gas condensation device according to claim 3, wherein: A heat exchange cover (9) is connected to the upper side of the collection box (7), and the heat exchange cavity (1) is formed between the heat exchange cover (9) and the upper side of the collection box (7).
5. The chemical tail gas condensation device according to claim 4, wherein: The upper side surface of the upper wall of the collection box (7) is an inverted conical surface (10) that gradually increases from the center to the periphery; the spiral plate (2) is connected to the lower side of the upper wall of the heat exchange cover (9); the lower side of the spiral plate (2) abuts against the upper side of the inverted conical surface (10).
6. The chemical tail gas condensation device according to claim 3, characterized in that: A drain pipe (11) is connected to the lower end of the collection box (7), and a valve (12) is installed on the drain pipe (11).
7. The chemical tail gas condensation device according to claim 6, characterized in that: Legs (14) are installed on the edge of the collection box (7).
8. The chemical tail gas condensation device according to claim 3, wherein: A viewing window (13) is provided on one side of the collection box (7).
9. The chemical tail gas condensation device according to claim 1 or 2, characterized in that: A number of baffle plates (201) are provided in the spiral plate (2), and there are gaps between adjacent baffle plates (201) and the two opposite inner walls of the spiral plate (2) respectively.