Kiln with waste heat recovery function for enamel production

Abstract

The utility model discloses an enamel production kiln with a waste heat recovery function. The enamel production kiln comprises a kiln body and a waste heat recovery assembly. The kiln body comprises a smoke exhaust pipe fixedly installed on the top of the kiln body. According to the enamel production kiln with the waste heat recovery function, the water pipe is installed in the smoke exhaust pipe on the kiln body, and the first heat insulation cover and the second heat insulation cover are clamped on the two sides of the outer end of the water pipe, so that smoke exhausted from the smoke exhaust pipe can be gathered to pass through the space between the water pipe and the first heat insulation cover and the second heat insulation cover on the two sides; meanwhile, electric push rods on the two sides of a fixing cylinder can move outwards to open a first heat insulation cover and a second heat insulation cover on the two sides of the water pipe, and therefore a bevel gear driven by a gear shaft and scraping strips on the two sides of the bevel gear are driven by a motor to drive the water pipe to be heated more evenly and more efficiently, and the waste heat recovery effect in smoke is improved. And residual impurities on the outer wall of the water pipe are uniformly scraped, so that the influence on the heating effect caused by accumulation of the impurities on the outer wall of the water pipe is avoided.

Description

Technical Field

[0001] This utility model relates to the field of kiln technology, specifically to a kiln for enamel production with waste heat recovery function. Background Technology

[0002] A kiln is a furnace used to fire ceramic objects and sculptures or to fuse enamel onto the surface of metal objects. It is generally made of bricks and stones and can be made in various sizes as needed. It can be operated by combustible gas, oil or electricity.

[0003] Existing kilns, such as the sintering kiln disclosed in publication number CN222389727U, although capable of cooling high-temperature waste gas and improving heat utilization, make it inconvenient for the waste gas to circulate through the gas guide pipe to uniformly heat the water in various locations within the second chamber to recover heat energy. Furthermore, the gas guide pipe is difficult to clean evenly after accumulating impurities from the flue gas to ensure heat conduction. Therefore, we propose a kiln for enamel production with waste heat recovery function. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A kiln for enamel production with waste heat recovery function includes: a kiln body and a waste heat recovery component; the kiln body includes an exhaust pipe fixedly installed on its top; the waste heat recovery component includes a water pipe fixedly installed inside the exhaust pipe, a sealing plate fixedly installed on one side of the exhaust pipe, a fixed cylinder fixedly installed on the outside of the sealing plate, a first heat insulation cover and a second heat insulation cover movably installed on both sides inside the fixed cylinder, a bevel gear movably installed at the outer end of the water pipe, a fixed ring movably installed on both sides of the outer end of the bevel gear, and a scraper fixedly installed on both sides of the bevel gear.

[0007] Preferably, a heat insulation plate is fixedly installed on the top of the exhaust pipe, a motor is fixedly installed on the top of the heat insulation plate, and a gear shaft is movably installed at the bottom of the motor, with the gear shaft meshing with a bevel gear, and the gear shaft is movably installed inside the exhaust pipe.

[0008] Preferably, both the first and second heat insulation covers are also fixedly installed with heat insulation sleeves at their outer ends.

[0009] Preferably, a restraining hoop is fixedly installed on one side of the outer end of the water pipe, and the scraper is inside the restraining hoop.

[0010] Preferably, both the first heat insulation cover and the second heat insulation cover are fixedly installed with electric push rods at their outer ends, and the electric push rods are fixed to the outer end of the fixed cylinder.

[0011] Preferably, an exhaust hole is provided on one side of the fixed cylinder, an exhaust cover is fixedly installed on the outer end of the fixed cylinder, and an exhaust pipe is fixedly installed at the bottom of the exhaust cover.

[0012] Preferably, a threaded hole is provided on one side of the bottom of the fixed cylinder, and a sealing cap is movably installed in the threaded hole. A delivery pipe is also fixedly connected to one end of the water pipe.

[0013] Preferably, the fixing rings are all fixed to the outer end of the fixing cylinder, and the scraper strips are all attached to the outer wall of the fixing cylinder.

[0014] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0015] 1. In this utility model, the water pipe installed inside the flue pipe on the kiln body has a first heat insulation cover and a second heat insulation cover clamped on both sides of its outer end, so that the flue gas discharged from the flue pipe can be gathered between the water pipe and the first heat insulation cover and the second heat insulation cover on both sides, thereby heating the water pipe more evenly and efficiently and improving the waste heat recovery effect in the flue gas.

[0016] 2. In this utility model, the electric push rods on both sides of the fixed cylinder can also move the first and second heat insulation covers on both sides of the water pipe outward and open, so that the bevel gear driven by the electric motor and the scraper on both sides can evenly scrape off the impurities remaining on the outer wall of the water pipe, so as to avoid the accumulation of impurities on the outer wall of the water pipe and affect its heating effect. Attached Figure Description

[0017] Figure 1 This is an overall structural diagram of the present invention;

[0018] Figure 2 This is another perspective view of the present invention;

[0019] Figure 3 This is a cross-sectional view of the fixing cylinder of this utility model;

[0020] Figure 4 This is a side sectional view of the exhaust pipe of this utility model;

[0021] Figure 5 This utility model Figure 3 Enlarged view of A in the middle;

[0022] Figure 6 This utility model Figure 3 A magnified view of B in the middle.

[0023] Figure label:

[0024] 100. Kiln body; 101. Exhaust pipe;

[0025] 200. Waste heat recovery assembly; 201. Water pipe; 202. Sealing plate; 203. Fixing cylinder; 204. First heat insulation cover; 205. Second heat insulation cover; 206. Bevel gear; 207. Fixing ring; 208. Scraper; 209. Heat insulation plate; 210. Motor; 211. Gear shaft; 212. Insulation sleeve; 213. Restraining clamp; 214. Electric push rod; 215. Vent hole; 216. Vent cover; 217. Vent pipe; 218. Threaded hole; 219. Sealing cover; 220. Conveying pipe. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0027] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a kiln for enamel production with waste heat recovery function.

[0028] Example 1:

[0029] Combination Figure 1-6As shown, the present invention provides a kiln for enamel production with waste heat recovery function, comprising: a kiln body 100 and a waste heat recovery component 200; the kiln body 100 includes a flue pipe 101 fixedly installed on its top; the waste heat recovery component 200 includes a water pipe 201 fixedly installed inside the flue pipe 101, a sealing plate 202 fixedly installed on one side of the flue pipe 101, a fixing cylinder 203 fixedly installed on the outside of the sealing plate 202, a first heat insulation cover 204 and a second heat insulation cover 205 movably installed on both sides inside the fixing cylinder 203, a bevel gear 206 movably installed at the outer end of the water pipe 201, fixing rings 207 movably installed on both sides of the outer end of the bevel gear 206, and scraper strips 208 fixedly installed on both sides of the bevel gear 206; a heat insulation plate 209 is also fixedly installed on the top of the flue pipe 101, a motor 210 is also fixedly installed on the top of the heat insulation plate 209, and a gear shaft 211 is movably installed at the bottom of the motor 210, and the gear shaft 211 and the bevel gear... The wheels 206 are meshed together, and the gear shaft 211 is movably installed inside the exhaust pipe 101. Insulation sleeves 212 are fixedly installed on the outer ends of both the first and second heat insulation covers 204 and 205. A restraining clamp 213 is fixedly installed on one side of the outer end of the water pipe 201, and the scraper 208 is located within the restraining clamp 213. Electric push rods 214 are also fixedly installed on the outer ends of both the first and second heat insulation covers 204 and 205, and the electric push rods 214 are fixed to the outer end of the fixed cylinder 203. A vent hole 215 is provided on one side of the cylinder 203. A vent cover 216 is fixedly installed on the outer end of the fixed cylinder 203. A vent pipe 217 is fixedly installed at the bottom of the vent cover 216. A threaded hole 218 is provided on one side of the bottom of the fixed cylinder 203. A sealing cover 219 is movably installed in the threaded hole 218. A delivery pipe 220 is fixedly connected to one end of the water pipe 201. The fixing rings 207 are all fixed to the outer end of the fixed cylinder 203. The scraper strips 208 are all attached to the outer wall of the fixed cylinder 203.

[0030] Specifically, a kiln refers to a furnace used for firing ceramic objects and sculptures or fusing enamel onto the surface of metal objects. A water pipe 201 installed inside the exhaust pipe 101 of the kiln body 100 has a first heat insulation cover 204 and a second heat insulation cover 205 engaged on both sides of its outer end. This allows the flue gas discharged from the exhaust pipe 101 to gather between the water pipe 201 and the first and second heat insulation covers 204 and 205 on both sides, thereby heating the water pipe 201 more evenly and efficiently, improving the waste heat recovery effect in the flue gas. Simultaneously, the electric push rods 214 on both sides of the fixed cylinder 203 can also move the water pipe 201. The first heat insulation cover 204 and the second heat insulation cover 205 on both sides are moved outward and opened, so that the bevel gear 206 driven by the gear shaft 211 through the motor 210 and the scraper 208 on both sides can evenly scrape off the impurities remaining on the outer wall of the water pipe 201, so as to avoid the accumulation of impurities on the outer wall of the water pipe 201 and affect its heating effect. The fixing rings 207 installed on both sides of the bevel gear 206 at the outer end of the water pipe 201 are mainly used to restrain the position of the bevel gear 206 during rotation, so as to ensure precise meshing with the gear shaft 211. The scraper 208 on both sides of the bevel gear 206 fits against the outer wall of the water pipe 201 and mainly moves with the water pipe 201. The bevel gear 206 rotates synchronously to clean impurities remaining on the outer wall of the water pipe 201. The heat insulation plate 209 installed at the upper end of the exhaust pipe 101 is mainly used for heat insulation and protection of the motor 210 installed on it. The heat insulation sleeve 212 installed at the outer end of the first heat insulation cover 204 and the second heat insulation cover 205 is mainly used for heat insulation and heat preservation at the outer end of the first heat insulation cover 204 and the second heat insulation cover 205, thereby reducing the heat loss in the exhaust gas. The binding clamp 213 installed on one side of the water pipe 201 is mainly used for binding and supporting one side of the scraper 208, so that the scraper 208 fits against the outer wall of the water pipe 201. Fixed cylinder The electric push rods 214 on both sides of the outer end of 203 are mainly used to drive the first heat insulation cover 204 and the second heat insulation cover 205 on both sides of the water pipe 201. The exhaust hole 215, the exhaust cover 216 and the exhaust pipe 217 opened on one side of the fixed cylinder 203 are mainly used to discharge the waste gas heat recovered between the water pipe 201 and the first heat insulation cover 204 and the second heat insulation cover 205. The sealing cover 219 installed in the threaded hole 218 on one side of the fixed cylinder 203 is mainly reserved as a cleaning hole for impurities at the bottom of the fixed cylinder 203. The conveying pipe 220 connected to one side of the water pipe 201 is mainly used for water conveying in the water pipe 201.

[0031] Working principle and usage process of this utility model:

[0032] During operation of the kiln body 100, the exhaust gas inside is discharged into the top exhaust pipe 101. After being discharged into the exhaust pipe 101, the exhaust gas is collected by the sealing plate 202 at the outer end of the exhaust pipe 101, and then discharged through the sealing plate 202 to the space between the water pipe 201 and the first heat insulation cover 204 and the second heat insulation cover 205 on both sides. The exhaust gas flows along the space between the water pipe 201 and the first heat insulation cover 204 and the second heat insulation cover 205. After flowing between the water pipe 201 and the first heat insulation cover 204 and the second heat insulation cover 205, the exhaust gas will collect at the outer end of the water pipe 201, so that the water pipe 201 can evenly absorb the heat in the exhaust gas to heat itself, thereby achieving efficient and uniform recovery of waste heat in the exhaust gas. After flowing along the outer wall of the water pipe 201 and being heated, it will be discharged through the exhaust hole 215 on one side and then through the exhaust pipe 217 at the bottom of the exhaust hood 216. After the kiln body 100 is used, the electric push rods 214 on both sides of the fixed cylinder 203 can be activated first to move the first heat insulation cover 204 and the second heat insulation cover 205 at both ends of the water pipe 201. After the first heat insulation cover 204 and the second heat insulation cover 205 are moved outward, the motor 210 at the upper end of the flue pipe 101 can be activated. The bevel gear 206 and the scraper strips 208 on both sides of the motor 210 are driven by the rotation of the bottom gear shaft 211 to clean the outer wall of the water pipe 201 evenly, so as to ensure the heating effect of the water pipe 201.

[0033] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A kiln for enamel production with waste heat recovery function, characterized in that, include: Kiln body (100), waste heat recovery assembly (200); The kiln body (100) includes a flue pipe (101) fixedly installed on its top; The waste heat recovery assembly (200) includes a water pipe (201) fixedly installed inside the flue pipe (101), a sealing plate (202) fixedly installed on one side of the flue pipe (101), a fixing cylinder (203) fixedly installed on the outside of the sealing plate (202), a first heat insulation cover (204) and a second heat insulation cover (205) movably installed on both sides inside the fixing cylinder (203), a bevel gear (206) movably installed on the outer end of the water pipe (201), a fixing ring (207) movably installed on both sides of the outer end of the bevel gear (206), and a scraper (208) fixedly installed on both sides of the bevel gear (206).

2. The enamel production kiln with waste heat recovery function according to claim 1, characterized in that, A heat insulation plate (209) is fixedly installed on the top of the exhaust pipe (101), and a motor (210) is fixedly installed on the top of the heat insulation plate (209). A gear shaft (211) is movably installed at the bottom of the motor (210), and the gear shaft (211) is meshed with a bevel gear (206). The gear shaft (211) is movably installed inside the exhaust pipe (101).

3. The enamel production kiln with waste heat recovery function according to claim 1, characterized in that, The outer ends of the first heat insulation cover (204) and the second heat insulation cover (205) are also fixedly installed with heat insulation sleeves (212).

4. The enamel production kiln with waste heat recovery function according to claim 1, characterized in that, A restraint clamp (213) is also fixedly installed on one side of the outer end of the water pipe (201), and the scraper (208) is inside the restraint clamp (213).

5. A kiln for enamel production with waste heat recovery function according to claim 1, characterized in that, The outer ends of the first heat shield (204) and the second heat shield (205) are also fixedly equipped with electric push rods (214), and the electric push rods (214) are fixed to the outer end of the fixed cylinder (203).

6. A kiln for enamel production with waste heat recovery function according to claim 1, characterized in that, The fixed cylinder (203) is also provided with an exhaust hole (215) on one side, and an exhaust cover (216) is fixedly installed on the outer end of the fixed cylinder (203). An exhaust pipe (217) is also fixedly installed at the bottom of the exhaust cover (216).

7. A kiln for enamel production with waste heat recovery function according to claim 1, characterized in that, The bottom side of the fixed cylinder (203) is also provided with a threaded hole (218), and a sealing cap (219) is movably installed in the threaded hole (218). One end of the water pipe (201) is also fixedly connected to a delivery pipe (220).

8. A kiln for enamel production with waste heat recovery function according to claim 1, characterized in that, The fixing rings (207) are all fixed to the outer end of the fixing cylinder (203), and the scrapers (208) are all attached to the outer wall of the fixing cylinder (203).

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