Chemical tail gas waste heat utilization device

Abstract

The utility model discloses a waste heat utilization device for chemical tail gas. The waste heat utilization device comprises a gas storage box and a heat conduction box, an air inlet and an air outlet are formed in the two opposite sides of the air storage tank, and a cavity with an upward opening is formed in the top of the air storage tank; the heat conduction box comprises a box body, a water conveying box and a water baffle, the box body is arranged above the cavity, the water conveying box placed over the cavity is arranged in the box body, the water baffle is arranged in the water conveying box, and a water inlet and a water outlet are formed in the two sides, away from each other, of the water conveying box. By arranging the water conveying box, the water baffle and the cavity, waste gas heat can be more comprehensively and rapidly transferred to the water conveying box, the heat is transferred into the water conveying box, and the heat utilization rate is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical industry tail gas treatment device technical field, concretely relates to a chemical industry tail gas waste heat utilization device. BACKGROUND

[0002] Chemical industry waste gas generally will discharge after harmless treatment, avoid polluting the environment. But the heat contained in chemical industry waste gas is not well utilized. The utility model patent with publication number CN210533107U discloses a chemical industry tail gas waste heat utilization device, which absorbs waste heat through the setting spiral pipe, so that the heat is transferred to the water in the spiral pipe, and the heat in the waste gas can be utilized.

[0003] But the water in the above-mentioned spiral pipe is not fully absorbed in the process of rapid flow, which makes the heat absorption amount of water per unit time limited, that is, the heat utilization rate is not high. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above technical deficiencies, and provides a chemical industry tail gas waste heat utilization device to solve the technical problem of low heat utilization rate in the prior art.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a chemical industry tail gas waste heat utilization device, including gas storage tank and heat conduction tank, the two sides of gas storage tank opposite away are equipped with air inlet and air outlet, the top of gas storage tank has a cavity that opens upwards, the heat conduction tank includes box, water delivery box and water baffle, the box is located above the cavity, the water delivery box is placed in the cavity directly above in the box, the water baffle is located in the water delivery box, the two sides of water delivery box opposite away are equipped with water inlet and water outlet.

[0007] In some embodiments, the bottom end of the water delivery box is rectangular, and the opening shape of the cavity is adapted to the bottom end of the water delivery box.

[0008] In some embodiments, the water delivery box and the box are detachably connected.

[0009] In some embodiments, the water baffles are staggered in the water delivery box.

[0010] In some embodiments, the inner bottom of the water delivery box is inclined downward, and the downward side is on the same side as the water outlet.

[0011] In some embodiments, the air inlets are arranged in pairs.

[0012] In some embodiments, the diameter of the air outlet is greater than the diameter of the air inlet.

[0013] In some embodiments, the opening of the gas outlet is provided with a sealing cover.

[0014] In some embodiments, the outer wall of the heat conduction box is provided with a thermal insulation layer.

[0015] In some embodiments, the axial length of the water outlet is at most 10 cm.

[0016] Compared with the prior art, the chemical tail gas waste heat utilization device provided by the utility model, through the cavity, the waste gas is placed therein, through the water delivery box and the water delivery box is placed above the cavity, so that the waste gas heat can be more fully transmitted to the water delivery box, and the water in the water delivery box absorbs heat more fully; further, through the water baffle, the flow of water body is delayed, thereby ensuring the absorption of waste gas heat by the water body, that is, the utilization rate of heat is finally effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structure diagram of a chemical tail gas waste heat utilization device provided by the utility model embodiment Figure 1 ;

[0018] Figure 2 is Figure 1 a top view of

[0019] Figure 3 is a structure diagram of a chemical tail gas waste heat utilization device provided by the utility model embodiment Figure 2 ;

[0020] Figure 4 is Figure 1 a structure diagram of a water delivery box in

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 100, gas storage tank; 110, gas inlet; 120, gas outlet; 130, cavity; 140, sealing cover; 200, heat conduction box; 210, box body; 220, water delivery box; 221, water inlet; 222, water outlet; 230, water baffle; 300, thermal insulation layer. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] In order to solve the technical problem of low heat utilization rate, the utility model provides a kind of chemical tail gas waste heat utilization device, can realize the promotion of heat utilization rate.

[0025] It should be noted that the chemical tail gas waste heat utilization device is used for but not limited to the recovery of chemical waste gas, etc., for the convenience of description, in the utility model, only a kind of chemical tail gas waste heat utilization device is applied to the recovery equipment of chemical waste gas as an example to explain, and the principle of a kind of chemical tail gas waste heat utilization device applied in other types of equipment is substantially same with the principle applied in the recovery equipment of chemical waste gas, and here is not described one by one.

[0026] Please refer to Figure 1 - Figure 4 , Figure 1 It is the structure diagram of a kind of chemical tail gas waste heat utilization device in the utility model embodiment, a kind of chemical tail gas waste heat utilization device, including gas storage tank 100 and heat conduction tank 200;Gas storage tank 100 is equipped with inlet 110 and outlet 120 on the two sides of opposite, the top of gas storage tank 100 has a cavity 130 with opening upwards;Heat conduction tank 200 includes box 210, water delivery box 220 and water baffle 230, box 210 is located above cavity 130, box 210 is equipped with water delivery box 220 placed in the right above cavity 130, water baffle 230 is arranged in water delivery box 220, water delivery box 220 is equipped with water inlet 221 and water outlet 222 on the two sides of opposite.

[0027] In the embodiment, by setting cavity 130, waste gas is placed therein, by setting water delivery box 220 and placing water delivery box 220 in the right above cavity 130, so that waste gas heat can be more fully transferred to water delivery box 220, and water in water delivery box 220 absorbs heat more fully;Further, by setting water baffle 230, the flow of water body is delayed, thereby ensuring the absorption of waste gas heat by water body, i.e.

[0028] In one of the embodiments, please refer to Figure 1 , Figure 2 , Figure 4 The bottom end of water delivery box 220 is rectangular, and the opening shape of cavity 130 is matched with the bottom end of water delivery box 220.

[0029] In the embodiment, the structure of water delivery box 220 is mainly placed more gently, so that waste gas heat can be more fully and efficiently transferred, thereby ensuring the improvement of heat utilization rate.

[0030] In one of the embodiments, please refer to Figure 1 Water delivery box 220 and box 210 are detachably connected.

[0031] In this embodiment, the water delivery box 220 is detachably connected with the box body 210, so that the water delivery box 220 can be regularly maintained and the scale inside can be cleaned, thereby ensuring smooth heat transfer.

[0032] In one embodiment, referring to Figure 4 , the water baffle 230 is staggered in the water delivery box 220.

[0033] In this embodiment, the water baffle 230 is staggered in the water delivery box 220, so that the water flow is not too fast, thereby improving the heat absorption efficiency.

[0034] In one embodiment, referring to Figure 4 , the bottom of the water delivery box 220 is inclined downward, and the downward side is on the same side as the water outlet 222.

[0035] In this embodiment, the bottom of the water delivery box 220 is inclined downward, and the downward side is on the same side as the water outlet 222, so that the water in the water delivery box 220 can flow by itself.

[0036] In one embodiment, referring to Figure 3 , the air inlet 110 is arranged in pairs.

[0037] In this embodiment, the air inlet 110 is arranged in pairs, so that the air intake can be adjusted.

[0038] In one embodiment, referring to Figure 2 , the diameter of the air outlet 120 is greater than the diameter of the air inlet 110.

[0039] In this embodiment, the diameter of the air outlet 120 is greater than the diameter of the air inlet 110, so that the exhaust gas can be quickly discharged. It should be noted that the air outlet 120 can be equipped with different filtering devices according to the composition of the exhaust gas for preliminary filtering, so as to avoid direct discharge of the exhaust gas.

[0040] In one embodiment, referring to Figure 1 , the air outlet 120 is provided with a sealing cover 140 at the opening.

[0041] In one embodiment, referring to Figure 1 , the outer wall of the heat conduction box 200 is provided with a heat preservation layer 300.

[0042] In one embodiment, referring to Figure 1 , the axial length of the water outlet 222 is at most 10 cm.

[0043] In the embodiment, the axial length of the water outlet 222 is at most 10 cm, so that heat loss at the water outlet 222 can be avoided.

[0044] In order to better understand the present application, the following will be combined with Figures 1 to 4 The technical scheme of the present application will be described in detail.

[0045] First, the exhaust gas is filled into the cavity 130 from the air inlet 110; then, the heat of the exhaust gas moves upward and is transferred to the water delivery box 220 located on the cavity 130, and the heat quickly and comprehensively enters the water delivery box 220 and is transferred to the water in the water delivery box 220; because the water delivery box 220 is inclined, the water flows from the water inlet 221 to the water outlet 222 in one direction; because of the heat transfer process, the heat can be more uniformly and efficiently transferred to the water with more surface area, avoiding insufficient heat absorption, and effectively improving the utilization rate of heat.

[0046] The specific embodiments of the present application do not constitute a limitation on the scope of protection of the present application. Any other corresponding changes and modifications made according to the technical concept of the present application shall be included in the scope of protection of the claims of the present application.

Claims

1. A device for utilizing waste heat from chemical tail gas, characterized in that, include: The gas storage box has an air inlet and an air outlet on opposite sides, and the top of the gas storage box has an upward-facing cavity. as well as A heat conduction box, comprising a box body, a water supply box, and a baffle plate, wherein the box body is located above the cavity, the water supply box is located inside the box body and placed directly above the cavity, the baffle plate is located inside the water supply box, and the water supply box has an inlet and an outlet on opposite sides.

2. The chemical tail gas waste heat utilization device according to claim 1, characterized in that, The bottom of the water box is rectangular, and the opening shape of the cavity is adapted to the bottom of the water box.

3. The chemical waste gas waste heat utilization device according to claim 1, characterized in that, The water delivery box is detachably connected to the housing.

4. The chemical waste gas waste heat utilization device according to claim 1, characterized in that, The baffles are staggered inside the water delivery box.

5. The chemical tail gas waste heat utilization device according to claim 1, characterized in that, The bottom of the water supply box is inclined downwards, and the downward side is on the same side as the water outlet.

6. The chemical waste gas waste heat utilization device according to claim 1, characterized in that, The air inlets are arranged in pairs.

7. The chemical tail gas waste heat utilization device according to claim 1, characterized in that, The diameter of the air outlet is larger than the diameter of the air inlet.

8. A chemical waste gas waste heat utilization device according to claim 1, characterized in that, The opening of the air outlet is equipped with a sealing cap.

9. A chemical tail gas waste heat utilization device according to claim 1, characterized in that, The outer wall of the heat-conducting box is provided with an insulation layer.

10. A chemical waste gas waste heat utilization device according to claim 1, characterized in that, The axial length of the outlet is at most 10cm.

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