High-frequency quenching heat treatment device for metal material processing

Abstract

The utility model relates to the field of quenching, and discloses a high-frequency quenching heat treatment device for metal material processing, which comprises a heat insulation bottom plate, an oil quenching tank is fixedly connected to the outer wall of the top of the heat insulation bottom plate, and a gas collecting box is fixedly connected to the outer wall of the top of the heat insulation bottom plate. An adsorption channel is formed in the outer wall of the top of the gas collection box, a smoke suction machine is fixedly connected to the end, away from the gas collection box, of the adsorption channel, and a waste gas purification mechanism is arranged at the top of the gas collection box and comprises a filter screen. According to the utility model, the filter screen firstly pretreats waste gas to intercept impurities such as large-particle oil drops, dust and the like, so that the impurities are prevented from entering a subsequent purification link to influence the adsorption effect and equipment operation. The adsorbent can adsorb organic components in the waste gas by virtue of a porous structure and a relatively large specific surface area, and the adsorption screen plate is used as the last defensive line, so that pollutants in the waste gas are further ensured to be fully removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching field especially relates to a high -frequency quenching heat treatment device for metal material processing. BACKGROUND

[0002] Quenching is a kind of heat treatment process method that steel is heated to critical temperature above, keeps warm for a certain time, then cools at the critical cooling speed above, to obtain the unbalanced organization (also obtain bainite or keep single-phase austenite according to the need) with martensite as the main one. Quenching is the most widely used process method in steel heat treatment process.

[0003] Metal workpiece is heated to a certain appropriate temperature (different metal materials have different quenching heating temperature range, for example, medium carbon steel is generally heated to 800-850 DEG C), keeps warm for a certain time, makes the organization inside metal fully uniform, then rapidly cools (cooling speed is very fast, common cooling medium has water, oil, brine solution etc.). In the rapid cooling process, the crystal structure of metal will change, thereby obtaining an unstable, high-hardness organization structure, to realize the purpose of improving the mechanical properties such as hardness, strength, wear resistance of metal material.

[0004] However, the traditional quenching process in oil quenching, high temperature causes oil to vaporize and form oil fume waste gas, which contains complex organic components and particulate matter, direct emission will seriously pollute the atmospheric environment, endanger the surrounding ecology, therefore a kind of high-frequency quenching heat treatment device for metal material processing is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a kind of high-frequency quenching heat treatment device for metal material processing, to solve the problems in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of high-frequency quenching heat treatment device for metal material processing, including heat insulation bottom plate, the top outer wall of heat insulation bottom plate is fixedly connected with oil quenching groove, the top outer wall of heat insulation bottom plate is fixedly connected with gas collection tank, the top outer wall of gas collection tank is provided with adsorption channel, the end of adsorption channel away from gas collection tank is fixedly connected with smoke suction machine, the top of gas collection tank is provided with waste gas purification mechanism, the waste gas purification mechanism includes filter screen, the bottom end of filter screen is inserted in the inner wall of adsorption channel bottom portion.

[0007] As a further description of the above technical scheme: the bottom end of adsorption channel can be detachably connected with adsorption net plate, the bottom outer wall of adsorption net plate is in contact with the top outer wall of gas collection tank, the top outer wall of gas collection tank is fixedly connected with heating equipment.

[0008] As a further description of the above technical solution: the inner wall of the adsorption channel is filled with an adsorbent.

[0009] As a further description of the above technical solution: a top cover is hinged to the outer wall of the top of the adsorption channel.

[0010] As a further description of the above technical solution: a tank door is hinged to the outer wall of the front of the gas collection tank.

[0011] As a further description of the above technical solution: a release pipe is fixedly connected to the inner wall of the left side of the gas collection tank.

[0012] As a further description of the above technical solution: the top of the heat insulation base plate is provided with a wastewater purification mechanism, which comprises a transmission pipe, the outer wall of the transmission pipe is fixedly connected to the inner wall of the oil quenching tank, and the end of the transmission pipe away from the oil quenching tank is provided with a treatment pool, and the bottom of the treatment pool is fixedly connected to the outer wall of the top of the heat insulation base plate.

[0013] As a further description of the above technical solution: the end of the transmission pipe inside the treatment pool is fixedly connected with an activated carbon filter, and the inner wall of the transmission pipe is fixedly connected with a control valve.

[0014] The utility model has the advantages of:

[0015] 1. In the utility model, the filter screen first pretreats the waste gas, intercepts large particles such as oil droplets, dust and other impurities, prevents them from entering the subsequent purification link to affect the adsorption effect and equipment operation. The adsorbent can adsorb organic components in waste gas due to its porous structure and large specific surface area. The adsorption net plate serves as the last line of defense, further ensuring that the pollutants in the waste gas are fully removed.

[0016] 2. In the utility model, after the steps of precipitation and filtration, the suspended impurities and part of the dissolved pollutants in the wastewater are removed, the activated carbon filter further adsorbs the residual organic matter and heavy metal ions, and the purified water can be reused for quenching process or other production links with relatively low water quality requirements. DRAWINGS

[0017] Figure 1 A front view of a high-frequency quenching heat treatment device for metal material processing is provided for the utility model;

[0018] Figure 2 A top view of a high-frequency quenching heat treatment device for metal material processing is provided for the utility model;

[0019] Figure 3 A bottom view of a high-frequency quenching heat treatment device for metal material processing is provided for the utility model;

[0020] Figure 4 The utility model provides a high frequency quenching heat treatment device for metal material processing Figure 2 The enlarged view of A in the middle.

[0021] Legend:

[0022] 1, heat insulation bottom plate; 2, oil quenching groove; 3, gas collection box; 4, adsorption channel; 5, smoke suction machine; 6, waste gas purification mechanism; 601, filter screen; 602, top cover; 603, adsorption screen plate; 604, heating equipment; 605, release pipe; 606, box door; 7, waste water purification mechanism; 701, transmission pipe; 702, control valve; 703, activated carbon filter; 704, treatment pool. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Refer to Figure 1 - Figure 3 An embodiment provided by the utility model: a high frequency quenching heat treatment device for metal material processing, including heat insulation bottom plate 1, the top outer wall of heat insulation bottom plate 1 is fixedly connected with oil quenching groove 2, can be quickly immersed in oil when the metal material after heating, oil as cooling medium, absorbs the heat of workpiece, makes workpiece cool quickly, the top outer wall of heat insulation bottom plate 1 is fixedly connected with gas collection box 3, because oil quenching process is under, oil will occur partial vaporization under high temperature, forms oil fume waste gas, the top outer wall of gas collection box 3 is provided with adsorption channel 4, adsorption channel 4 can flow purification to waste gas, the end of adsorption channel 4 away from gas collection box 3 is fixedly connected with smoke suction machine 5, smoke suction machine 5 can concentrate suction to the oil fume waste gas generated, avoids diffusion, the top of gas collection box 3 is provided with waste gas purification mechanism 6, waste gas purification mechanism 6 includes filter screen 601, the bottom end of filter screen 601 is inserted in the inner wall of adsorption channel 4 bottom, by setting filter screen 601, can pre-treat waste gas, remove the larger particle oil drop, dust and other impurities in waste gas, prevent these impurities from blocking adsorbent pore, influence adsorption effect and adsorbent service life.

[0025] Refer to Figure 1 - Figure 2The bottom end of the adsorption channel 4 is detachably connected to an adsorption mesh plate 603. The adsorption mesh plate 603 is the final purification process. The bottom outer wall of the adsorption mesh plate 603 contacts the top outer wall of the gas collection box 3. Through fixed-bed adsorption, a bed layer of a certain height is formed. The waste gas is adsorbed and purified as it passes through the bed layer. A heating device 604 is fixedly connected to the top outer wall of the gas collection box 3. By setting the heating device 604, the entire adsorption mesh plate 603 can be heated by heating wires wrapped around the outer wall of the adsorption mesh plate 603, raising the temperature of the adsorbent and causing the adsorbed organic components to desorb from the surface of the adsorbent. The inner wall of the adsorption channel 4 is filled with... The pretreated waste gas enters the adsorption channel 4, where it flows slowly and comes into full contact with the adsorbent. The active sites on the surface of the adsorbent adsorb the organic components in the waste gas, thus purifying it. A top cover 602 is hinged to the outer wall of the top of the adsorption channel 4, which is easy to open and clean the waste residue scattered on the filter screen 601. A door 606 is hinged to the outer wall of the front of the gas collection box 3, which is easy to open and clean the residue inside. A release pipe 605 is fixedly connected to the inner wall of the left side of the gas collection box 3, through which the purified air can be released to the outside or connected to other purification equipment for further purification.

[0026] Reference Figure 3 - Figure 4 The top of the heat-insulating base plate 1 is equipped with a wastewater purification mechanism 7, which includes a transmission pipe 701. The transmission pipe 701 can circulate oil in the oil quenching tank 2. The outer wall of the transmission pipe 701 is fixedly connected to the inner wall of the oil quenching tank 2. A treatment tank 704 is set at the end of the transmission pipe 701 away from the oil quenching tank 2. By setting up the treatment tank 704, after the oil quenching tank 2 has been settled by gravity, the impurities in the oil quenching tank 2 will naturally settle to the bottom of the tank and be transferred to the treatment tank 704 through the transmission pipe 701 for secondary treatment of the oil. The bottom of the treatment tank 704 is fixedly connected to the top outer wall of the heat-insulating base plate 1. An activated carbon filter 703 is fixedly connected at the end of the transmission pipe 701 located inside the treatment tank 704. It can adsorb impurities, sludge, pigments and aging products in the quenching oil, thereby improving the appearance and performance of the oil. A control valve 702 is fixedly connected in the inner wall of the transmission pipe 701. The control valve 702 facilitates the opening and closing of the transmission pipe 701.

[0027] Working principle: through the control of smoking machine 5 start, oil fume waste gas produced by oil quenching is inhaled into gas collection box 3 through adsorption channel 4, the waste gas is pretreated through filter screen 601 first, removes larger particle impurities, prevents the blockage of adsorbent pores, then, the waste gas is in full contact with the filled adsorbent in adsorption channel 4, the active site of adsorbent adsorbs organic components, realizes preliminary purification, finally, the waste gas passes through detachable adsorption screen plate 603, is further adsorbed and purified, forms fixed bed type adsorption layer, when the adsorbent is saturated, heating equipment 604 heats adsorption screen plate 603, makes organic components desorb, the purified air can be discharged through release pipe 605 or enters subsequent purification equipment, the quenching oil in oil quenching tank 2 is deposited by gravity, impurities are settled to the tank bottom, the control valve 702 in the inner wall of transmission pipe 701 is opened, the oil flows into treatment pool 704 through transmission pipe 701, the activated carbon filter 703 in treatment pool 704 adsorbs impurities, oil sludge, pigment and aging products in quenching oil, improves oil quality, realizes waste water purification and quenching oil recycling, reduces cost and environmental pollution.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A high-frequency quenching heat treatment apparatus for metal material processing, comprising a heat-insulating base plate (1), characterized in that: The top outer wall of the heat insulation bottom plate (1) is fixedly connected with an oil quenching tank (2), the top outer wall of the heat insulation bottom plate (1) is fixedly connected with a gas collection box (3), the top outer wall of the gas collection box (3) is provided with an adsorption channel (4), one end of the adsorption channel (4) away from the gas collection box (3) is fixedly connected with a smoke suction machine (5), the top of the gas collection box (3) is provided with a waste gas purification mechanism (6), the waste gas purification mechanism (6) comprises a filter screen (601), and the bottom end of the filter screen (601) is inserted into the inner wall at the bottom of the adsorption channel (4).

2. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 1, characterized in that: The bottom end of the adsorption channel (4) is detachably connected with an adsorption screen plate (603), the bottom outer wall of the adsorption screen plate (603) is in contact with the top outer wall of the gas collection box (3), and the top outer wall of the gas collection box (3) is fixedly connected with a heating device (604).

3. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 1, characterized in that: The inner wall of the adsorption channel (4) is filled with an adsorbent.

4. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 1, characterized in that: The top outer wall of the adsorption channel (4) is hingedly connected with a top cover (602).

5. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 1, characterized in that: The front outer wall of the gas collection box (3) is hingedly connected with a box door (606).

6. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 1, characterized in that: The left inner wall of the gas collection box (3) is fixedly connected with a release pipe (605).

7. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 1, characterized in that: The top of the heat insulation bottom plate (1) is provided with a waste water purification mechanism (7), the waste water purification mechanism (7) comprises a transmission pipe (701), the outer wall of the transmission pipe (701) is fixedly connected in the inner wall of the oil quenching tank (2), one end of the transmission pipe (701) away from the oil quenching tank (2) is provided with a treatment tank (704), and the bottom of the treatment tank (704) is fixedly connected to the top outer wall of the heat insulation bottom plate (1).

8. The high-frequency quenching heat treatment apparatus for metal material processing according to claim 7, characterized in that: One end of the transmission pipe (701) located inside the treatment tank (704) is fixedly connected with an activated carbon filter (703), and the inner wall of the transmission pipe (701) is fixedly connected with a control valve (702).

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