Gas cooling device and waste gas treatment equipment

Abstract

The utility model discloses a gas cooling device which comprises a cooling mechanism and a gas inlet mechanism, the cooling mechanism is provided with a gas inlet and a gas outlet, the gas inlet and the gas outlet are communicated through a heat exchange pipe, the gas inlet is used for introducing high-temperature waste gas, the gas outlet is used for discharging cooled waste gas, and the heat exchange pipe is arranged in a cooling space configured by the cooling mechanism. The cooling space is filled with a cooling medium, the air inlet mechanism is provided with an air outlet located in the cooling space, and the air outlet is used for discharging air into the cooling medium. The cooling mechanism is arranged in front of the waste gas treatment mechanism, the gas heat is taken away by the cooling medium, and the gas inlet mechanism can improve the heat exchange rate of the cooling medium, so that the cooling effect on the high-temperature waste gas can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature waste gas treatment technical field, especially relate to a gas cooling device and waste gas treatment equipment. BACKGROUND

[0002] In order to meet the dual needs of the mass users for product quality and environmental protection performance in all directions, in the product manufacturing process, especially in the surface spraying link of product, after the fine spraying treatment of workpiece, it must experience a crucial drying step. This step aims to ensure that the coating can be firmly attached to the workpiece surface, so as to achieve the integrity and aesthetic requirements of the process. However, with the increasing environmental protection consciousness of modern society, the waste gas treatment generated in the drying process has become a problem that cannot be ignored.

[0003] At present, the activated carbon adsorption device outside the drying chamber is a common waste gas treatment method. Activated carbon adsorption technology is widely used due to its high efficiency and economy, which is used to adsorb organic components in waste gas, thereby effectively reducing environmental pollution. However, it is worth noting that the adsorption performance of activated carbon is not unlimited, and it has a specific temperature requirement for the adsorbed gas. Specifically, when the gas temperature exceeds 60°C, part of the organic waste gas molecules will become more active and not easy to be effectively captured by activated carbon. In actual operation, the waste gas temperature generated in the drying process is often as high as about 100°C, which exceeds the best adsorption temperature range of activated carbon. Therefore, if direct adsorption treatment is carried out, part of the organic matter will escape due to the high temperature, resulting in unsatisfactory treatment effect. SUMMARY

[0004] The embodiment of the application provides a gas cooling device, which is used to solve the technical problem that high-temperature gas can cause the adsorption capacity of activated carbon to decrease, thereby improving the adsorption effect of waste gas.

[0005] The first aspect of the application provides a gas cooling device, comprising:

[0006] The cooling mechanism has an air inlet and an air outlet, and the air inlet and the air outlet are communicated through a heat exchange pipe, the heat exchange pipe is arranged in the cooling space configured by the cooling mechanism, and the cooling space is filled with a cooling medium;

[0007] The air inlet mechanism is configured with an air outlet in the cooling space, and the air outlet is used for discharging gas into the cooling medium.

[0008] The above-embodiment has the beneficial effects that by arranging the cooling mechanism in front of the waste gas treatment mechanism, the cooling medium can take away the heat of the gas, and the air inlet mechanism can improve the heat exchange rate of the cooling medium, so that the cooling effect of high-temperature waste gas can be realized.

[0009] On the basis of the above-mentioned embodiments, the embodiments of the present application can also be improved as follows:

[0010] In one of the embodiments of the present application: the heat exchange pipes form a multi-row and multi-column structure in the cooling space. The beneficial effect of this step is to increase the heat exchange area between the exhaust gas and the cooling medium.

[0011] In one of the embodiments of the present application: the cooling mechanism comprises a water tank in which the heat exchange pipes are installed, the lower end of the water tank is provided with a liquid discharge port, and the bottom of the water tank is provided with a flow guide surface which is an inclined surface inclined towards the liquid discharge port. The beneficial effect of this step is to facilitate the discharge of liquid in the water tank.

[0012] In one of the embodiments of the present application: the air inlet mechanism further comprises a main air pipe inserted into the cooling space, and the main air pipe is connected with a high-pressure air source; a plurality of branch air pipes are arranged below the heat exchange pipes and are connected with the main air pipe in sequence, and the branch air pipes are provided with the air outlet. The beneficial effect of this step is to increase the air outlet amount and thus improve the heat exchange efficiency. The beneficial effect of this step is to facilitate the control of the working state of the air inlet mechanism.

[0013] In one of the embodiments of the present application: the air inlet mechanism further comprises a valve arranged on the main air pipe for controlling the opening and closing of the air path. The beneficial effect of this step is to facilitate the control of the working state of the air inlet mechanism.

[0014] In one of the embodiments of the present application: the air inlet mechanism further comprises a temperature sensor connected to the cooling mechanism, the temperature sensor being used to detect the temperature of the cooling medium; and a controller connected with the temperature sensor and the valve through electrical control signals. The beneficial effect of this step is to realize the function of automatically opening and closing the valve according to the water temperature and improve the automation degree of the product.

[0015] The second aspect of the present application provides a waste gas treatment equipment comprising the gas cooling device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0017] Figure 1 FIG. 1 is a structural schematic view of a waste gas treatment equipment comprising a gas cooling device;

[0018] Figure 2 FIG. 1 is a structural schematic view of a waste gas treatment equipment comprising a gas cooling device;

[0019] Figure 3 The second structure schematic view of the gas cooling device.

[0020] 1 cooling mechanism, 101 air inlet, 102 air outlet, 103 heat exchange pipe, 104 water tank, 105 liquid outlet, 106 flow guide surface;

[0021] 2 air inlet mechanism, 201 air outlet, 202 main air pipe, 203 branch air pipe, 204 valve;

[0022] 3 activated carbon adsorption device;

[0023] 4 fan. DETAILED DESCRIPTION

[0024] In the present application, unless otherwise explicitly specified and limited, the terms in the present application should be understood in a broad sense, for example, the connection can be fixed connection, or detachable connection or integral, can be directly connected, or indirectly connected through intermediate medium. If it involves power, electronic equipment, it can also be electrically connected or communication signal connection, etc. For ordinary skilled in the art, different terms in the present application can be understood according to the specific circumstances, and the specific meaning of the scope should be limited to the function of the present application.

[0025] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0026] Example one

[0027] As shown in Figures 1-3 A gas cooling device, comprising: cooling mechanism 1, air inlet mechanism 2, cooling mechanism 1 has air inlet 101 and air outlet 102, air inlet 101 and air outlet 102 are communicated through heat exchange pipe 103, air inlet 101 is used for passing into high temperature waste gas, air outlet 102 is used for discharging waste gas treated by cooling, heat exchange pipe 103 is arranged in the cooling space configured by cooling mechanism 1, the cooling space is filled with cooling medium, air inlet mechanism 2 is configured with air outlet 201 in the cooling space, air outlet 201 is used for discharging gas into the cooling medium.

[0028] Specifically, as Figure 1As shown, the end of the air inlet 101 has a flange plate, which is connected with the exhaust pipe of the drying chamber, and the rear end of the air inlet 101 is a conical structure, the large end of which is directly opposite and communicates with the heat exchange pipe 103. By expanding the cross-sectional area of the air inlet 101, the gas is uniformly dispersed into the heat exchange pipe 103, and at the same time, it also has the effect of reducing the gas flow rate, improving the heat exchange time between the gas and the cooling medium, thereby improving the heat exchange effect.

[0029] Specifically, as shown in Figure 2 , 3 , the heat exchange pipe 103 has a plurality of heat exchange pipes 103, which are arranged in the transverse direction. The plurality of heat exchange pipes 103 form a plurality of rows and columns in the cooling space. By increasing the number of heat exchange pipes 103, the heat exchange area between the exhaust gas and the cooling medium is increased.

[0030] Specifically, as shown in Figure 2 , 3 , the cooling mechanism 1 comprises a water tank 104, one side of the water tank 104 having an air inlet 101, the other side having an exhaust port 102, the water tank 104 having a heat exchange pipe 103 installed therein, the heat exchange pipe 103 being arranged in the transverse direction and inserted into the water tank 104, the two ends of the heat exchange pipe 103 penetrating through the two sides of the water tank 104 and being welded and connected with the water tank 104, the lower end of the water tank 104 having a liquid outlet 105, the upper end having a liquid inlet, the bottom of the water tank 104 having a flow guide surface 106, which is an inclined surface inclined toward the liquid outlet 105. The liquid outlet 105 facilitates the discharge of liquid in the water tank 104. The cooling medium in the water tank 104 is cooling water. The water tank 104 also has an exhaust hole and a manhole for discharging gas in the water tank 104.

[0031] Specifically, as shown in Figure 2 , 3 , the air inlet mechanism 2 further comprises a main gas pipe 202 and a branch gas pipe 203. The main gas pipe 202 is inserted into the cooling space, and the main gas pipe 202 is connected with a high-pressure gas source. The branch gas pipe 203 has a plurality of branch gas pipes 203 located below the heat exchange pipe 103, and the branch gas pipe 203 is connected with the main gas pipe 202 in sequence. The branch gas pipe 203 is provided with an air outlet 201. The plurality of branch gas pipes 203 increase the air outlet range, thereby improving the heat exchange efficiency.

[0032] Specifically, as shown in Figure 2 , 3 , the main gas pipe 202 is in L-shaped structure, and the gas conveying pipe has a vertical segment and a horizontal segment. The vertical segment is inserted into the water tank 104 in the vertical direction, and the horizontal segment is arranged in parallel with the heat exchange pipe 103. The branch gas pipe 203 has a plurality of branch gas pipes 203 connected to the horizontal segment in sequence, and the branch gas pipe 203 is perpendicular to the heat exchange pipe 103.

[0033] Specifically, as shown in Figure 2 , 3As shown, the air inlet mechanism 2 further comprises a valve 204 arranged on the main air pipe 202, the valve 204 is used to control the air path on-off, and the gate is used to control the working state of the air inlet mechanism 2.

[0034] Specifically, the air inlet mechanism 2 further comprises a temperature sensor connected to the water tank 104, the temperature sensor is used to detect the temperature of the cooling medium, and a controller connected to the temperature sensor and the valve 204 respectively, the controller can adopt an industrial computer or a PLC controller, and the valve 204 adopts an electromagnetic valve, when the water temperature is higher than the set threshold, the controller controls the electromagnetic valve to open, and the high-pressure gas source pressurizes the gas into the cooling medium through the main air pipe 202 and the branch air pipe 203, so as to improve the flow speed of the water flow, thereby improving the heat exchange speed of the cooling medium.

[0035] The gas cooling device works, the waste gas of the drying chamber is introduced into the heat exchange pipe 103, the heat of the high-temperature waste gas is taken away by the cooling medium, when the temperature of the cooling medium is higher than the set threshold, the high-pressure gas is introduced into the cooling medium through the air inlet mechanism 2, the heat exchange efficiency of the cooling medium is improved by the gas, and part of the heat is taken away, thereby improving the cooling effect of the cooling mechanism 1.

[0036] Embodiment two

[0037] A waste gas treatment equipment, such as Figure 1 As shown, the gas cooling device disclosed in embodiment one is included.

[0038] Specifically, as shown in Figure 1 The gas cooling device comprises an activated carbon adsorption device 3 and a fan 4, the activated carbon adsorption device 3 is arranged between the fan 4 and the water tank 104, the fan 4 provides the power for the movement of the waste gas, and the activated carbon in the activated carbon adsorption device 3 adsorbs the pollutants in the waste gas.

[0039] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail, the ordinary skilled in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply the conventional experimental means before the date, the ordinary skilled in the art can improve and implement the scheme under the inspiration of the present application, some typical known structures or known methods should not be an obstacle for the ordinary skilled in the art to implement the present application. It should be pointed out that for the skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should be regarded as the protection scope of the present application, which will not affect the effect and practicality of the present application.

Claims

1. A gas cooling device, characterized by, The application relates to a gas cooling device. The gas cooling device comprises a cooling mechanism, an air inlet and an air outlet, the air inlet and the air outlet are communicated through a heat exchange pipe, the heat exchange pipe is arranged in a cooling space of the cooling mechanism, and the cooling space is filled with cooling medium. The heat exchange pipe forms a multi-row and multi-column structure in the cooling space.

2. The gas cooling device according to claim 1, characterized by The cooling mechanism comprises a water tank, the heat exchange pipe is arranged in the water tank, the lower end of the water tank is provided with a liquid outlet, and the bottom of the water tank is provided with a flow guide surface which is an inclined surface inclined to the liquid outlet.

3. The gas cooling device according to claim 1, wherein The air inlet mechanism further comprises a main air pipe inserted into the cooling space, a high-pressure gas source is connected to the outer side of the main air pipe, a plurality of branch air pipes are arranged below the heat exchange pipe, the branch air pipes are sequentially connected to the main air pipe, and the branch air pipes are provided with the air outlets. The air inlet mechanism further comprises a valve arranged in the main air pipe and used for controlling the opening and closing of the air path.

4. The gas cooling device according to claim 1, characterized by The air inlet mechanism further comprises a temperature sensor connected to the cooling mechanism and used for detecting the temperature of the cooling medium. A controller is electrically connected to the temperature sensor and the valve. The application further relates to a gas cooling device.

5. The gas cooling device according to claim 4, wherein ​ ​ 6. The gas cooling device according to claim 5, wherein ​ ​ ​ 7. An exhaust gas treatment device, characterized by ​

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