Efficient energy-saving annealing device

Abstract

The utility model relates to an efficient energy-saving annealing device in the technical field of annealing equipment, which comprises an annealing furnace, the right side of the annealing furnace is provided with a furnace door for closing the annealing furnace, and the right side of the annealing furnace is provided with a track for materials to enter; the waste heat collecting mechanism is arranged on the front side of the annealing furnace and used for collecting heat generated when the annealing furnace works; and the preheating assembly is arranged on the outer side of the track. By arranging the waste heat collecting mechanism, waste heat generated when the annealing furnace works can be collected through the cover body and the metal bent pipe in the using process, waste of the waste heat is reduced, in addition, in the waste heat collecting process, water entering the metal bent pipe is filtered under the action of the filter screen, and the water is prevented from entering the metal bent pipe. And the filter screen can be cleaned under the action of the cleaning brush, so that the waste heat collection efficiency is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing equipment, in particular to a high-efficiency energy-saving annealing device. Background Art

[0002] There are many types of special alloy steels, which are usually divided into low alloy steel, medium alloy steel, and high alloy steel according to the content of alloy elements, and divided into high-quality alloy steel and special alloy steel according to quality. The hardness of carbon steel is very uneven, especially for large pieces of carbon steel. The way to overcome this difficulty is to add an appropriate amount of special elements such as chromium, tungsten, manganese, nickel, etc. to the molten steel during the steelmaking process to make alloy steel. When using special alloy steel to produce workpieces, the workpieces need to be annealed, and an annealing furnace will be used for annealing.

[0003] The Chinese patent with the relevant patent publication number CN211620566U discloses a high-efficiency energy-saving annealing furnace. The application states: "The existing operation has high labor intensity, and a large amount of heat is easily lost during the process, resulting in waste of resources, and it is difficult to achieve a continuous production process." Although the application solves this problem, it has the following defects:

[0004] When the annealing furnace in the prior art is in use, part of the heat generated by heating the workpiece in the furnace body evaporates through the furnace body, resulting in heat waste. In addition, it takes a long time to heat the new workpiece to a suitable temperature, which is inefficient. Therefore, we propose an efficient and energy-saving annealing device. Utility Model Content

[0005] In view of the above problems, the utility model provides a high-efficiency and energy-saving annealing device, which can use a cover body and a metal elbow to collect the waste heat generated when the annealing furnace is working, thereby reducing the waste of waste heat. In addition, during the waste heat collection process, the water entering the metal elbow is filtered under the action of the filter net, thereby preventing the metal elbow from being blocked by debris.

[0006] The technical solution of the utility model is: a high-efficiency energy-saving annealing device, comprising:

[0007] An annealing furnace, wherein a furnace door for closing the annealing furnace is provided on the right side of the annealing furnace, and a track for materials to enter the annealing furnace is provided on the right side of the annealing furnace;

[0008] A waste heat collection mechanism, which is arranged at the front side of the annealing furnace and is used to collect the heat generated when the annealing furnace is working;

[0009] A preheating component is arranged outside the track and is used to use the collected waste heat to preheat the workpiece before entering the annealing furnace.

[0010] In a further technical solution, the waste heat collection mechanism includes a cover body, which is fixedly connected to the front side of the annealing furnace, a metal bent pipe is fixedly connected to the inside of the cover body, a filter box is arranged above the annealing furnace, a filter net is fixedly connected to the inside of the filter box, and a collection box is arranged below the filter box.

[0011] In a further technical solution, a water inlet pipe is fixedly connected to the right side of the filter box, a conduit is fixedly connected to the left side of the filter box, the bottom end of the conduit is connected to the left end of the metal elbow, a fixing rod is fixedly connected to the bottom of the filter box, the fixing rod is fixedly connected to the top of the annealing furnace, and a temperature sensor is fixedly connected to the bottom of the cover body.

[0012] In a further technical solution, a sewage pipe is fixedly connected to the bottom of the filter box, a valve is arranged in the middle of the sewage pipe, a collecting box is threadedly connected to the outer side of the sewage pipe, and a pad is arranged at the bottom of the collecting box.

[0013] In a further technical solution, a spring is fixedly connected to the top of the filter box, a top block is fixedly connected to the top of the spring, a vertical rod is fixedly connected to the inner side of the top block, the bottom end of the vertical rod passes through the top of the filter box and is slidably connected to the top of the filter box, and a cleaning brush is fixedly connected to the bottom end of the vertical rod.

[0014] In a further technical solution, the preheating assembly includes a U-shaped cover, which is sleeved on the outside of the track, a diversion box is fixedly connected to the top of the U-shaped cover, branch pipes are fixedly connected to the front and rear sides of the diversion box, and a water outlet pipe is fixedly connected to the right side of the diversion box.

[0015] In a further technical solution, the left side of the diverter box is connected to the right end of the metal bent pipe, the branch pipes are evenly spaced outside the diverter box, the outside of the branch pipes is fixedly connected with a fixing ring, and the fixing ring is fixedly connected to the inside of the U-shaped cover.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model is provided with a waste heat collection mechanism. When in use, the cover body and the metal elbow can be used to collect the waste heat generated when the annealing furnace is working, thereby reducing the waste heat waste. In addition, in the process of waste heat collection, the water entering the metal elbow is filtered under the action of the filter, thereby avoiding the blockage of the metal elbow caused by debris. The filter can be cleaned by the cleaning brush, thereby ensuring the efficiency of waste heat collection.

[0018] 2. The utility model provides a preheating component, and when in use, the waste heat collected by the waste heat collection mechanism can be used to preheat the workpiece to be annealed. The preheated workpiece can be heated to a suitable temperature more quickly after entering the annealing furnace, thereby improving the annealing efficiency and reducing the consumption of resources, so that the annealing device has a good energy-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the overall structure of an embodiment of the utility model;

[0020] Figure 2 It is a schematic cross-sectional diagram of the front part of the overall structure of an embodiment of the utility model;

[0021] Figure 3 It is a partial cross-sectional schematic diagram of the filter box of an embodiment of the utility model;

[0022] Figure 4 It is a partial structural schematic diagram of the U-shaped cover of an embodiment of the utility model.

[0023] Description of reference numerals:

[0024] 1. Annealing furnace; 2. Waste heat collection mechanism; 201. Temperature sensor; 202. Metal elbow; 203. Cover; 204. Conduit; 205. Filter box; 206. Top block; 207. Water inlet pipe; 208. Vertical rod; 209. Spring; 210. Cleaning brush; 211. Filter net; 212. Fixed rod; 213. Collection box; 214. Drain pipe; 215. Pad; 3. Preheating assembly; 301. Diverter box; 302. U-shaped cover; 303. Water outlet pipe; 304. Branch pipe; 305. Fixed ring; 4. Furnace door; 5. Track. DETAILED DESCRIPTION

[0025] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0026] Example:

[0027] like Figure 1-Figure 4 As shown, a high-efficiency energy-saving annealing device comprises:

[0028] Annealing furnace 1, a furnace door 4 for closing the annealing furnace 1 is arranged on the right side of the annealing furnace 1, and a track 5 for materials to enter is arranged on the right side of the annealing furnace 1;

[0029] A waste heat collection mechanism 2, which is arranged at the front side of the annealing furnace 1 and is used to collect the heat generated when the annealing furnace 1 is working;

[0030] The preheating assembly 3 is arranged outside the track 5 and is used to preheat the workpiece before entering the annealing furnace 1 by using the collected waste heat.

[0031] The working principle of the above technical solution is as follows:

[0032] The heat generated by the annealing furnace 1 during operation is collected by the cover 203 and the metal elbow 202. The water in the metal elbow 202 is heated by the residual heat. The heated water flows into the diverter box 301 and then enters each branch pipe 304 through the diverter box 301. The special alloy steel workpiece that is about to enter the annealing furnace 1 is preheated by the branch pipe 304. The workpiece after the residual heat enters the annealing furnace 1 for heating. The heated workpiece is naturally cooled at a certain temperature, thereby achieving the purpose of annealing.

[0033] The water entering the metal elbow 202 is filtered by the filter 211 , and the filter 211 is cleaned by the cleaning brush 210 , thereby preventing the filter 211 from being blocked.

[0034] In another embodiment, if Figure 2 As shown, the waste heat collection mechanism 2 includes a cover body 203, which is fixedly connected to the front side of the annealing furnace 1, and a metal elbow 202 is fixedly connected to the inner side of the cover body 203. A filter box 205 is arranged above the annealing furnace 1, and a filter net 211 is fixedly connected to the inner side of the filter box 205. A collection box 213 is arranged below the filter box 205.

[0035] The cover body 203 can reduce the speed of heat dissipation, the metal elbow 202 can collect the waste heat generated by the furnace body, the water in the metal elbow 202 can be heated by preheating, and the waste heat can be collected, the water entering the metal elbow 202 can be filtered by the filter net 211, and the impurities can be collected by the collection box 213.

[0036] In another embodiment, if Figure 2 As shown, a water inlet pipe 207 is fixedly connected to the right side of the filter box 205, a conduit 204 is fixedly connected to the left side of the filter box 205, the bottom end of the conduit 204 is connected to the left end of the metal elbow 202, a fixing rod 212 is fixedly connected to the bottom of the filter box 205, the fixing rod 212 is fixedly connected to the top of the annealing furnace 1, and a temperature sensor 201 is fixedly connected to the bottom of the cover body 203.

[0037] The water inlet pipe 207 facilitates the entry of water, and the conduit 204 facilitates the entry of filtered water into the metal elbow 202.

[0038] In another embodiment, if Figure 3As shown, a sewage pipe 214 is fixedly connected to the bottom of the filter box 205, a valve is arranged in the middle of the sewage pipe 214, a collecting box 213 is threadedly connected to the outer side of the sewage pipe 214, and a pad 215 is arranged at the bottom of the collecting box 213.

[0039] The drain pipe 214 facilitates the filtered impurities to enter the collection box 213, the valve controls the opening and closing of the drain pipe 214, and the pad 215 supports the collection box 213. When the collection box 213 needs to be removed, it is removed to facilitate the rotation and removal of the collection box 213.

[0040] In another embodiment, if Figure 3 As shown, a spring 209 is fixedly connected to the top of the filter box 205, a top block 206 is fixedly connected to the top of the spring 209, a vertical rod 208 is fixedly connected to the inner side of the top block 206, the bottom end of the vertical rod 208 passes through the top of the filter box 205 and is slidably connected to the top of the filter box 205, and a cleaning brush 210 is fixedly connected to the bottom end of the vertical rod 208.

[0041] The spring 209 can be used to reset the vertical rod 208 after it is pressed. The vertical rod 208 can push the cleaning brush 210 to move, and the filter screen 211 can be cleaned by the cleaning brush 210 .

[0042] In another embodiment, if Figure 4 As shown, the preheating assembly 3 includes a U-shaped cover 302, which is sleeved on the outside of the track 5. A diverter box 301 is fixedly connected to the top of the U-shaped cover 302, and branch pipes 304 are fixedly connected to the front and rear sides of the diverter box 301. An outlet pipe 303 is fixedly connected to the right side of the diverter box 301.

[0043] The U-shaped cover 302 can reduce the volatilization of heat, and the diversion box 301 can divert the hot water to each branch pipe 304. The branch pipe 304 can preheat the incoming workpiece, and the preheated water is discharged through the outlet pipe 303.

[0044] In another embodiment, if Figure 2 and Figure 4 As shown, the left side of the diverter box 301 is connected to the right end of the metal elbow 202 , and the branch pipes 304 are evenly spaced outside the diverter box 301 . The outside of the branch pipes 304 is fixedly connected to a fixing ring 305 , and the fixing ring 305 is fixedly connected to the inside of the U-shaped cover 302 .

[0045] The water heated by the metal elbow 202 can enter the diversion box 301 , and the branch pipe 304 can be fixed under the action of the fixing ring 305 .

[0046] The above embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A high-efficiency energy-saving annealing device, characterized in that: include: An annealing furnace (1), wherein a furnace door (4) for closing the annealing furnace (1) is arranged on the right side of the annealing furnace (1), and a track (5) for materials to enter is arranged on the right side of the annealing furnace (1); A waste heat collection mechanism (2), the waste heat collection mechanism (2) being arranged at the front side of the annealing furnace (1) and being used for collecting heat generated when the annealing furnace (1) is in operation; A preheating component (3) is arranged outside the track (5) and is used to use the collected waste heat to preheat the workpiece before entering the annealing furnace (1).

2. The high-efficiency energy-saving annealing device according to claim 1, characterized in that: The waste heat collection mechanism (2) comprises a cover body (203), the cover body (203) is fixedly connected to the front side of the annealing furnace (1), a metal elbow (202) is fixedly connected to the inner side of the cover body (203), a filter box (205) is arranged above the annealing furnace (1), a filter screen (211) is fixedly connected to the inner side of the filter box (205), and a collection box (213) is arranged below the filter box (205).

3. The high-efficiency energy-saving annealing device according to claim 2, characterized in that: The right side of the filter box (205) is fixedly connected to a water inlet pipe (207), the left side of the filter box (205) is fixedly connected to a guide tube (204), the bottom end of the guide tube (204) is connected to the left end of the metal elbow (202), the bottom of the filter box (205) is fixedly connected to a fixing rod (212), the fixing rod (212) is fixedly connected to the top of the annealing furnace (1), and the bottom of the cover body (203) is fixedly connected to a temperature sensor (201).

4. The high-efficiency energy-saving annealing device according to claim 2, characterized in that: The bottom of the filter box (205) is fixedly connected to a sewage pipe (214), a valve is provided in the middle of the sewage pipe (214), the outer side of the sewage pipe (214) is threadedly connected to a collection box (213), and a pad (215) is provided at the bottom of the collection box (213).

5. The high-efficiency energy-saving annealing device according to claim 2, characterized in that: The top of the filter box (205) is fixedly connected to a spring (209), the top of the spring (209) is fixedly connected to a top block (206), the inner side of the top block (206) is fixedly connected to a vertical rod (208), the bottom end of the vertical rod (208) passes through the top of the filter box (205) and is slidably connected to the top of the filter box (205), and the bottom end of the vertical rod (208) is fixedly connected to a cleaning brush (210).

6. The high-efficiency energy-saving annealing device according to claim 1, characterized in that: The preheating assembly (3) comprises a U-shaped cover (302), the U-shaped cover (302) is sleeved on the outside of the track (5), a diversion box (301) is fixedly connected to the top of the U-shaped cover (302), branch pipes (304) are fixedly connected to the front and rear sides of the diversion box (301), and a water outlet pipe (303) is fixedly connected to the right side of the diversion box (301).

7. The high-efficiency energy-saving annealing device according to claim 6, characterized in that: The left side of the diverter box (301) is connected to the right end of the metal bent pipe (202), the branch pipes (304) are evenly spaced and distributed outside the diverter box (301), the outside of the branch pipes (304) is fixedly connected to a fixing ring (305), and the fixing ring (305) is fixedly connected to the inside of the U-shaped cover (302).

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