High-temperature waste gas treatment structure

Abstract

The utility model discloses a high-temperature waste gas treatment structure which comprises a treatment unit which comprises a cooling box as well as a gas inlet pipe and a gas outlet pipe which are fixedly communicated with two ends of the cooling box respectively; the filtering self-cleaning unit comprises a high-temperature-resistant filter screen fixedly installed in the exhaust pipe, a shaft rotating column is rotationally installed at the center of the high-temperature-resistant filter screen, and the end, away from the cooling box, of the rotating column penetrates through the high-temperature-resistant filter screen and is fixedly connected with multiple sets of gyroscope fan blades which are evenly distributed; the other end of the rotating column penetrates through the high-temperature-resistant filter screen and is fixedly connected with a scraper blade, the lower side wall of the exhaust pipe fixedly communicates with a slag discharging cylinder matched with the high-temperature-resistant filter screen, and a threaded plug is in threaded connection with an opening in the lower end of the slag discharging cylinder. Particle impurities attached to the high-temperature-resistant filter screen can be scraped off, the scraped-off particle impurities enter the slag discharging cylinder, only the threaded plug needs to be opened regularly, the high-temperature-resistant filter screen does not need to be disassembled, and cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature waste gas treatment, in particular to a high-temperature waste gas treatment structure. Background Art

[0002] Waste gas refers to toxic and harmful gases emitted by humans in the process of production and life, especially the waste gas produced by chemical plants, steel mills, pharmaceutical plants, coking plants, refineries, etc. and human life. The waste gas emitted has a strong odor, seriously polluting the environment and affecting human health.

[0003] At present, in the field of high-temperature exhaust gas treatment, high-temperature resistant filter nets are mostly used to intercept and filter large particle impurities mixed in the high-temperature exhaust gas. However, after long-term use of the high-temperature resistant filter nets, a large amount of particle impurities will accumulate on their surface. When cleaning them, the treatment mechanism needs to be disassembled, which is extremely inconvenient. Therefore, it is necessary to design a high-temperature exhaust gas treatment structure to solve the above problems. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing high-temperature exhaust gas treatment structure, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a high-temperature exhaust gas treatment structure, which is suitable for solving the problem that a large amount of particulate impurities will accumulate on the surface of the high-temperature resistant filter screen after long-term use. When cleaning it, the treatment mechanism needs to be disassembled, which makes cleaning extremely inconvenient.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-temperature exhaust gas treatment structure, comprising:

[0008] A processing unit, comprising a cooling box and an air inlet pipe and an air outlet pipe respectively fixedly connected to two ends of the cooling box;

[0009] The filtering self-cleaning unit comprises a high-temperature resistant filter screen fixedly installed in the exhaust pipe, a shaft rotating column is rotatably installed at the center of the high-temperature resistant filter screen, one end of the rotating column away from the cooling box passes through the high-temperature resistant filter screen and is fixedly connected to a plurality of groups of evenly distributed gyro blades, and the other end of the rotating column passes through the high-temperature resistant filter screen and is fixedly connected to a scraper, a lower side wall of the exhaust pipe is fixedly connected to a slag discharge barrel matching the high-temperature resistant filter screen, and a threaded plug is threadedly connected to the lower end opening of the slag discharge barrel;

[0010] The cooling unit is used to cool down and exchange heat for high-temperature exhaust gas containing heat.

[0011] As a preferred scheme of a high-temperature exhaust gas treatment structure described in the utility model, wherein: the cooling and cooling unit includes a heat exchange tube fixedly installed in a cooling box, the two ends of the heat exchange tube are respectively fixedly connected to the intake pipe and the exhaust pipe, and the upper part of the inner cavity of the cooling box is fixedly connected to a spray hood, and a cold source box is fixedly installed on the upper side wall of the cooling box, and the cold source box is connected to the spray hood through a plurality of symmetrically positioned fluid replenishment pipes, each of the fluid replenishment pipes is fixedly installed with a corresponding stop valve, and a water pump connected to the fluid replenishment pipe is fixedly installed on the upper side wall of the cooling box.

[0012] As a preferred solution of the high-temperature exhaust gas treatment structure described in the utility model, the lower side wall of the cold source box and the upper side wall of the cooling box are fixedly connected with symmetrically positioned support pads, and the support pads are made of austenitic stainless steel.

[0013] As a preferred solution of the high-temperature exhaust gas treatment structure described in the utility model, a scale window is inlaid on the side wall of the cold source box, and a plurality of groups of evenly distributed scale lines are arranged on the scale window.

[0014] As a preferred solution of the high-temperature exhaust gas treatment structure described in the utility model, the heat exchange tube is configured to be a multi-stage bending type, and a plurality of groups of evenly distributed circular protrusions are fixedly installed on the side wall of the heat exchange tube.

[0015] As a preferred solution of the high-temperature exhaust gas treatment structure described in the utility model, one end of the exhaust pipe away from the cooling box is fixedly connected with an exhaust hood, and the exhaust hood is configured to be trumpet-shaped.

[0016] The beneficial effects of the utility model are as follows: the high-temperature exhaust gas to be treated is discharged through the intake pipe, the heat exchange pipe and the exhaust pipe in sequence. When the high-temperature exhaust gas passes through the heat exchange pipe, the water pump is started, and the cold water in the cold source box passes through the liquid replenishment pipe and the spray cover, and the cold water can be evenly sprayed around the heat exchange pipe, thereby cooling the hot gas passing through the heat exchange pipe;

[0017] When the cooled exhaust gas passes through the exhaust pipe, it will drive the gyro blades and the rotating column to rotate. The rotating column will drive the scraper to rotate during the rotation process. The scraper can scrape off the particulate impurities attached to the high-temperature resistant filter net. The scraped particulate impurities enter the slag discharge barrel. You only need to open the threaded plug regularly. There is no need to disassemble the high-temperature resistant filter net, and it is more convenient to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-temperature exhaust gas treatment structure proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of a cooling unit structure of a high-temperature exhaust gas treatment structure proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a filtering self-cleaning unit of a high-temperature exhaust gas treatment structure proposed by the utility model.

[0022] Description of the drawings: 100 processing unit, 101 cooling box, 102 air inlet pipe, 103 exhaust pipe, 104 exhaust hood, 200 filtering self-cleaning unit, 201 high temperature resistant filter, 202 rotating column, 203 gyro fan blades, 204 scraper, 205 slag discharge barrel, 206 threaded plug, 300 cooling unit, 301 heat exchange tube, 302 circular protrusion, 303 spray hood, 304 cold source box, 305 liquid replenishing pipe, 306 stop valve, 307 water pump, 308 scale window, 309 support pad. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] Example

[0028] Reference Figure 1-Figure 3 , which is an embodiment of the utility model, provides a high-temperature exhaust gas treatment structure, including: a treatment unit 100, a filtering self-cleaning unit 200 and a cooling unit 300.

[0029] The processing unit 100 includes a cooling box 101 and an air inlet pipe 102 and an exhaust pipe 103 respectively fixedly connected to both ends of the cooling box 101. An exhaust hood 104 is fixedly connected to one end of the exhaust pipe 103 away from the cooling box 101, and the exhaust hood 104 is configured to be trumpet-shaped.

[0030] The filtering self-cleaning unit 200 includes a high temperature resistant filter 201 fixedly installed in the exhaust pipe 103, a rotating shaft column 202 is rotatably installed at the center of the high temperature resistant filter 201, one end of the rotating column 202 away from the cooling box 101 passes through the high temperature resistant filter 201 and is fixedly connected to a plurality of groups of evenly distributed gyro blades 203, and the other end of the rotating column 202 passes through the high temperature resistant filter 201 and is fixedly connected to a scraper 204, a slag discharge barrel 205 matching the high temperature resistant filter 201 is fixedly connected to the lower side wall of the exhaust pipe 103, and a threaded plug 206 is threadedly connected to the lower end opening of the slag discharge barrel 205;

[0031] The cooling unit 300 is used to cool down and exchange heat with high-temperature exhaust gas containing heat.

[0032] The cooling unit 300 includes a heat exchange tube 301 fixedly installed in the cooling box 101, and the two ends of the heat exchange tube 301 are fixedly connected to the intake pipe 102 and the exhaust pipe 103 respectively. The heat exchange tube 301 is configured to be a multi-stage bending type, and a plurality of groups of evenly distributed circular protrusions 302 are fixedly installed on the side wall of the heat exchange tube 301. This configuration increases the contact area between the heat exchange tube 301 and the cold water, thereby improving the cooling efficiency of the cooling unit 300 for the high-temperature exhaust gas in the heat exchange tube 301, and the upper part of the inner cavity of the cooling box 101 is fixedly connected with a spray hood 303, and the upper side wall of the cooling box 101 is fixedly installed with a cold source box 304, and the lower side wall of the cold source box 304 is fixedly connected to the upper side wall of the cooling box 101 with a symmetrical position. A support pad 309 is provided, and the support pad 309 is made of austenitic stainless steel. The support pad 309 made of austenitic stainless steel improves the connection stability between the cooling box 101 and the cold source box 304. A scale window 308 is inlaid on the side wall of the cold source box 304. A plurality of groups of evenly distributed scale lines are arranged on the scale window 308. The setting of the scale window 308 is convenient for the staff to observe the remaining amount of water in the cold source box 304 and to replenish water in time. The cold source box 304 is connected to the spray hood 303 through a plurality of symmetrically positioned infusion pipes 305. A corresponding stop valve 306 is fixedly installed on each infusion pipe 305. A water pump 307 connected to the infusion pipe 305 is fixedly installed on the upper side wall of the cooling box 101.

[0033] During use, the high-temperature exhaust gas to be treated is discharged through the intake pipe 102, the heat exchange pipe 301 and the exhaust pipe 103 in sequence. When the high-temperature exhaust gas passes through the heat exchange pipe 301, the water pump 307 is started, and the cold water in the cold source box 304 passes through the liquid replenishment pipe 305 and the spray hood 303, and the cold water can be evenly sprayed around the heat exchange pipe 301, thereby cooling the hot gas passing through the heat exchange pipe 301;

[0034] When the cooled exhaust gas passes through the exhaust pipe 103, it drives the gyro blades 203 and the rotating column 202 to rotate. The rotating column 202 drives the scraper 204 to rotate during the rotation. The scraper 204 can scrape off the particulate impurities attached to the high-temperature resistant filter 201. The scraped particulate impurities enter the slag discharge barrel 205. It only needs to open the threaded plug 206 regularly. There is no need to disassemble the high-temperature resistant filter 201, and it is more convenient to clean.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A high-temperature exhaust gas treatment structure, characterized in that: include: A processing unit (100) comprising a cooling box (101) and an air inlet pipe (102) and an air outlet pipe (103) respectively fixedly connected to two ends of the cooling box (101); A filtering self-cleaning unit (200) comprising a high temperature resistant filter (201) fixedly mounted in an exhaust pipe (103), a shaft rotating column (202) rotatably mounted at the center of the high temperature resistant filter (201), one end of the rotating column (202) away from the cooling box (101) passing through the high temperature resistant filter (201) and fixedly connected to a plurality of groups of evenly distributed gyro blades (203), and the other end of the rotating column (202) passing through the high temperature resistant filter (201) and fixedly connected to a scraper (204), a slag discharge barrel (205) matching the high temperature resistant filter (201) being fixedly connected to the lower side wall of the exhaust pipe (103), and a threaded plug (206) being threadedly connected to the lower end opening of the slag discharge barrel (205); The cooling unit (300) is used to cool and exchange heat on high-temperature exhaust gas containing heat.

2. A high-temperature exhaust gas treatment structure according to claim 1, characterized in that: The cooling unit (300) comprises a heat exchange tube (301) fixedly mounted in a cooling box (101), the two ends of the heat exchange tube (301) being fixedly connected to an air inlet pipe (102) and an air outlet pipe (103) respectively, and a spray hood (303) being fixedly connected to the upper part of the inner cavity of the cooling box (101), a cold source box (304) being fixedly mounted on the upper side wall of the cooling box (101), the cold source box (304) being connected to the spray hood (303) via a plurality of symmetrically positioned liquid replenishing tubes (305), each of the liquid replenishing tubes (305) being fixedly mounted with a corresponding stop valve (306), and a water pump (307) being fixedly mounted on the upper side wall of the cooling box (101) and being connected to the liquid replenishing tube (305).

3. A high-temperature exhaust gas treatment structure according to claim 2, characterized in that: A symmetrically positioned support pad (309) is fixedly connected to the lower side wall of the cold source box (304) and the upper side wall of the cooling box (101), and the support pad (309) is made of austenitic stainless steel.

4. A high-temperature exhaust gas treatment structure according to claim 2, characterized in that: A scale window (308) is inlaid on the side wall of the cold source box (304), and a plurality of groups of evenly distributed scale lines are arranged on the scale window (308).

5. A high-temperature exhaust gas treatment structure according to claim 2, characterized in that: The heat exchange tube (301) is configured to be a multi-stage bent type, and a plurality of groups of evenly distributed circular protrusions (302) are fixedly mounted on the side wall of the heat exchange tube (301).

6. A high-temperature exhaust gas treatment structure according to claim 1, characterized in that: An end of the exhaust pipe (103) away from the cooling box (101) is fixedly connected to an exhaust hood (104), and the exhaust hood (104) is configured in a trumpet shape.

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