CN113308665B

CN113308665B - Wear-resistant hard alloy cutter and strengthening and toughening treatment device thereof

Info

Publication number: CN113308665B
Application number: CN202110596367.4A
Authority: CN
Inventors: 杨章生
Original assignee: Nanjing Haolong Cutting Tool Manufacturing Co ltd
Current assignee: Nanjing Dingjiu Machinery Equipment Co ltd
Priority date: 2021-05-30
Filing date: 2021-05-30
Publication date: 2023-03-31
Anticipated expiration: 2041-05-30
Also published as: CN113308665A

Abstract

The invention relates to the technical field of cutter processing, in particular to a wear-resistant hard alloy cutter and a strengthening and toughening treatment device thereof. The utility model provides a tough processingequipment of stand wear and tear carbide tool, includes the nitriding furnace body, the nitriding furnace body includes the furnace body, the side fixed mounting of furnace body has the jacking ware, the top fixedly connected with top cap of jacking ware, the bottom surface fixedly connected with pocket cage of top cap, movable chamber has been seted up on the lateral wall of furnace body, the blowpit has been seted up to the tail end in activity chamber, the spout has been seted up on the lateral wall in activity chamber, fixed mounting has the guide arm on the outer wall of furnace body. The nitriding furnace is provided with the feeding structure, so that a user can be ensured to be isolated from waste gas during feeding, the influence of the waste gas released in the furnace is avoided, and the safety and environmental protection performance of the device are improved.

Description

Wear-resistant hard alloy cutter and strengthening and toughening treatment device thereof

Technical Field

The invention relates to the technical field of cutter processing, in particular to a wear-resistant hard alloy cutter and a strengthening and toughening treatment device thereof.

Background

QPQ technology is short for salt bath nitriding technology of metal surface. The QPQ technique is an oxynitriding technique, and the process includes several steps of preheating, nitriding, oxidizing, and polishing. QPQ technique can be fine promotion cutter ground cutting edge hardness to improve the wearability of cutter. The QPQ-processed workpiece includes a compound layer (strengthening layer), a diffusion layer, and a substrate in this order from the top and bottom. The compound layer contains an epsilon phase of Fe2-3N, so that the hardness is high, but the toughness is poor; the diffusion layer is mainly a gamma phase containing Fe4N due to the reduction of the nitrogen content, and has high toughness and high hardness. The circulating QPQ technology can improve the depth of a nitrided layer, improve the nitriding speed and reduce the content of brittle phases of the nitrided layer, thereby improving the strengthening and toughening performance of workpieces. The nitriding furnace is not limited by steel types, and carbon steel, low alloy steel, tool and die steel, stainless steel, cast iron and iron-based powder metallurgy materials can be subjected to soft nitriding treatment, so that the fatigue strength, the wear resistance and the corrosion resistance of a workpiece can be obviously improved. It also has scratch and bite resistance under dry friction conditions.

However, when the nitriding furnace is used, the salt solution in the nitriding furnace can be taken out by taking out the workpiece, so that the volume of the salt bath is reduced, and the liquid level height of the salt bath can be reduced, so that the salt needs to be added into the nitriding furnace to raise the liquid level of the salt bath.

In order to solve the above problems, a wear-resistant cemented carbide tool and a toughening apparatus therefor have been proposed.

Disclosure of Invention

The invention aims to provide a wear-resistant hard alloy cutter and a strengthening and toughening treatment device thereof, aiming at solving the problems that when a nitriding furnace provided by the background technology is used, the workpiece is taken out, salt liquid in the nitriding furnace is brought out, the volume of salt bath is reduced, the liquid level is reduced, salt needs to be added into the nitriding furnace to raise the liquid level of the salt bath, and harmful gases such as carbon monoxide, carbon dioxide, ammonia gas and the like in the nitriding furnace are released through a salt adding port during the salt adding process, so that the physical health of workers is seriously affected.

In order to achieve the purpose, the invention provides the following technical scheme: the wear-resistant hard alloy cutter comprises a cutter body, wherein the cutter body is of a hexagonal structure, and a mounting hole is formed in the middle of the cutter body.

The utility model provides a tough handle device of stand wear and tear carbide tool, includes the nitriding furnace body, the nitriding furnace body includes the furnace body, the side fixed mounting of furnace body has the jacking ware, the top fixedly connected with top cap of jacking ware, the bottom surface fixedly connected with pocket cage of top cap, movable chamber has been seted up on the lateral wall of furnace body, the blowpit has been seted up to the tail end in activity chamber, the spout has been seted up on the lateral wall in activity chamber, fixed mounting has the guide arm on the outer wall of furnace body, install on the lateral wall of nitriding furnace body and lead and throw the material structure, it includes to support the lid to lead to throw the material structure, install on the lateral wall of furnace body and support the lid, the inside movable mounting who supports the lid has the driving gear, the side movable mounting of driving gear has auxiliary gear, the inner face movable mounting that supports the lid throws the feed bin, fixedly connected with handle on the leading flank of throwing the feed bin, fixedly connected with the fixed block on the lateral wall of throwing the feed bin, the back fixedly connected with spring of fixed block, throw and seted up the dog-house on the top surface of feed bin, throw the bottom surface of feed bin and seted up the discharge gate.

Preferably, the upside fixed mounting who leads to throw the material structure has the exhaust-gas treatment structure, the exhaust-gas treatment structure includes the shell, fixed mounting has the shell on the lateral wall of furnace body, the inside fixed mounting of shell has the air pump, the downside fixedly connected with desulfurization chamber of air pump, the downside fixedly connected with reacting chamber of desulfurization chamber, fixed mounting has the cooler on the lateral wall of reacting chamber, the downside fixedly connected with combustion chamber of reacting chamber, the bottom surface fixedly connected with siphunculus of combustion chamber.

Preferably, the surface of the furnace body is provided with a controller, the top cover is positioned on the top surface of the furnace body, the diameter of the top cover is smaller than that of the furnace body, a sealing gasket is arranged at the joint of the furnace body and the top cover, and the movable cavity is obliquely arranged.

Preferably, the abutting cover is located at the top end of the movable cavity, the area of the abutting cover is larger than the cross-sectional area of the movable cavity, a sealing gasket is arranged at the joint of the abutting cover and the movable cavity, the driving gear is meshed with the auxiliary gear, and a hand wheel is fixedly connected to the front side face of the driving gear.

Preferably, the guide rods are four groups, the four guide rods are respectively arranged on the periphery of the top end of the movable cavity, the four guide rods all penetrate through the abutting cover, the auxiliary gears are four groups, the four auxiliary gears are respectively sleeved on the four guide rods, thread grooves are formed in the inner side walls of the auxiliary gears and the surfaces of the guide rods, and the guide rods are in threaded engagement with the auxiliary gears.

Preferably, the feeding bin is movably mounted inside the movable cavity, the handle is attached to the back face of the abutting cover, the fixing block is movably mounted inside the sliding groove, and the tail end of the spring is in contact with the left side wall of the sliding groove.

Preferably, the joint of the feeding bin and the movable cavity is hermetically connected, the tail end of the feeding bin is exposed out of the movable cavity, the feeding port and the discharge port are communicated with the inner space of the furnace body, and the length of the feeding port is greater than that of the discharge port.

Preferably, the top surface of the air pump is connected with a guide pipe, the top end of the guide pipe penetrates through the top surface of the shell, the side wall of the reaction chamber is connected with a water changing pipe, a refrigerator is installed on a connecting pipe between the reaction chamber and the combustion chamber, and the connecting pipe is of an S-shaped structure.

Preferably, the bottom surface of shell is run through at the middle part of siphunculus, and the bottom is located the inside of furnace body, the top surface in activity chamber is run through to the bottom of siphunculus, and communicates with each other with the inside of throwing the feed bin, ammonia gas detection device is installed to the bottom of siphunculus, the internally mounted of combustion chamber has some firearm.

Compared with the prior art, the invention has the beneficial effects that: the nitriding furnace is provided with the feeding structure, so that a user can be ensured to be isolated from waste gas during feeding, the influence of the waste gas released in the furnace is avoided, and the safety and environmental protection performance of the device are improved.

Be provided with the jacking ware, can be convenient for jack-up the top cap, realize getting of cutter body and put, be provided with the pocket cage, for placing of cutter body provides the support, avoid the cutter body to sink the end, it is inconvenient to salvage, be provided with the hand wheel, be convenient for rotate the hand wheel, control driving gear and auxiliary gear are rotatory, make to support the lid and can move on the guide arm, be convenient for stimulate the feeding bin of activity intracavity portion, be provided with the spring, make the feeding bin lose the extrusion back of supporting the lid, the recovery of spring can promote to throw the feed bin and remove at activity intracavity portion, make the dog-house and the discharge gate on feeding bin surface all retract activity intracavity portion, make feeding bin inner space and furnace body inner space isolated, avoid waste gas to continuously get into and throw inside the feed bin.

Be provided with the air pump, can throw the inside waste gas of feed bin inside and take out inside the shell, avoid the user to throw the feed bin back in the pulling, during waste gas direct discharge inlet air, influence the user health, and the polluted environment, be provided with ammonia detection device, can detect throwing the inside air of feed bin, avoid throwing the inside waste gas that has of feed bin and remain, be provided with some firearms, can ignite the inside carbon monoxide of combustion chamber, carry out preliminary purification to waste gas, be provided with the refrigerator, can cool off the waste gas that will get into the inside of reaction chamber, avoid high-temperature gas to get into inside the reaction chamber, influence the reaction effect of ammonia and water, be provided with the cooler, can cool down the inside aqueous ammonia of reaction chamber, keep the stability of aqueous ammonia, reduce volatilizing of aqueous ammonia.

Drawings

FIG. 1 is a schematic front view of a nitriding furnace body according to the present invention;

FIG. 2 is a schematic sectional view of the furnace body of the present invention;

FIG. 3 is a schematic sectional view of the charging bin in front view;

FIG. 4 is a schematic sectional view of the charging bin of the present invention;

FIG. 5 is a schematic cross-sectional view of a structure of the retaining cap of the present invention;

FIG. 6 is a schematic sectional view of the structure of the housing of the present invention from the back;

fig. 7 is a schematic structural side view of the charging bin of the present invention.

In the figure: 1. a cutter body; 2. a nitriding furnace body; 21. a furnace body; 22. a jacking device; 23. a top cover; 24. wrapping a cage; 25. a movable cavity; 26. a discharge chute; 27. a chute; 28. a guide bar; 3. a feeding structure; 31. abutting the cover; 32. a driving gear; 33. an auxiliary gear; 34. a feeding bin; 35. a handle; 36. a fixed block; 37. a spring; 38. a feeding port; 39. a discharge port; 4. an exhaust gas treatment structure; 41. a housing; 42. an air pump; 43. a desulfurization chamber; 44. a reaction chamber; 45. a cooler; 46. a combustion chamber; 47. a through pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: the utility model provides a stand wear and tear carbide tool, includes cutter body 1, and cutter body 1 is the hexagon structure, and the mounting hole has been seted up at cutter body 1's middle part, strengthens cutter body 1's aesthetic property, provides the position for cutter body 1's installation simultaneously, guarantees the joint strength between cutter body 1 and the knife rest.

The utility model provides a tough processingequipment of stand wear and tear carbide tool, including nitriding furnace body 2, nitriding furnace body 2 includes furnace body 21, the side fixed mounting of furnace body 21 has jack 22, jack 22's top fixedly connected with top cap 23, the bottom surface fixedly connected with pocket cage 24 of top cap 23, movable chamber 25 has been seted up on the lateral wall of furnace body 21, discharge chute 26 has been seted up to the tail end of movable chamber 25, spout 27 has been seted up on the lateral wall of movable chamber 25, fixed mounting has guide arm 28 on the outer wall of furnace body 21, install on the lateral wall of nitriding furnace body 2 and lead and throw material structure 3, it throws material structure 3 including supporting lid 31 to lead, install on the lateral wall of furnace body 21 and support lid 31, support the inside movable mounting of lid 31 has driving gear 32, the side movable mounting of driving gear 32 has auxiliary gear 33, support the inner face movable mounting of lid 31 and throw material storehouse 34, fixedly connected with handle 35 on the leading flank of material storehouse 34, fixedly connected with fixed block 36 on the lateral wall of material storehouse 34, the back fixedly connected with spring 37 of fixed block 36, throw material storehouse 34 has seted up on the top surface 38, guarantee that the bottom surface of nitriding furnace body 34 has seted up the discharge gate 39 when the user is isolated with the discharge gate, the inside waste gas of furnace body is avoided the influence of environmental protection, the nitriding furnace body 2.

Further, lead the upside fixed mounting who throws material structure 3 and have exhaust-gas treatment structure 4, exhaust-gas treatment structure 4 includes shell 41, fixed mounting has shell 41 on the lateral wall of furnace body 21, the inside fixed mounting of shell 41 has air pump 42, the downside fixedly connected with desulfurization chamber 43 of air pump 42, the downside fixedly connected with reacting chamber 44 of desulfurization chamber 43, fixed mounting has cooler 45 on the lateral wall of reacting chamber 44, the downside fixedly connected with combustion chamber 46 of reacting chamber 44, the bottom surface fixedly connected with siphunculus 47 of combustion chamber 46, be convenient for collect throwing the inside waste gas of feed bin 34, and handle, avoid during waste gas directly discharges into the environment, contaminated air, can retrieve throwing the inside ammonia of feed bin 34 simultaneously.

Further, the surface mounting of furnace body 21 has the controller, and top cap 23 is located the top surface of furnace body 21, and the diameter of top cap 23 is less than the diameter of furnace body 21, and the junction of furnace body 21 and top cap 23 is provided with sealed the pad, and activity chamber 25 is seted up for the tilting, avoids waste gas to reveal between the gap between furnace body 21 and the top cap 23, influences user's healthy, is convenient for will throw the inside material of feed bin 34 and take in inside furnace body 21.

Furthermore, the abutting cover 31 is located at the top end of the movable cavity 25, the area of the abutting cover 31 is larger than the cross sectional area of the movable cavity 25, a sealing gasket is arranged at the joint of the abutting cover 31 and the movable cavity 25, the driving gear 32 is meshed with the auxiliary gear 33, and the front side face of the driving gear 32 is fixedly connected with the hand wheel, so that the movable cavity 25 is conveniently sealed, waste gas inside the furnace body 21 is prevented from leaking out through the movable cavity 25, the sealing performance inside the furnace body 21 is guaranteed, the hand wheel is convenient to rotate, and the driving gear 32 is controlled to rotate.

Furthermore, the guide rods 28 have four groups, the four groups of guide rods 28 are respectively arranged around the top end of the movable cavity 25, the four groups of guide rods 28 all penetrate through the abutting cover 31, the four groups of auxiliary gears 33 have four groups, the four groups of auxiliary gears 33 are respectively sleeved on the four groups of guide rods 28, the inner side walls of the auxiliary gears 33 and the surfaces of the guide rods 28 are all provided with threaded grooves, the guide rods 28 are in threaded engagement with the auxiliary gears 33, the driving gears 32 rotate to drive the four groups of auxiliary gears 33 to rotate in the abutting cover 31, meanwhile, the auxiliary gears 33 are engaged with the guide rods 28 to drive the abutting cover 31 to move on the guide rods 28, after the feeding cabin 34 loses the extrusion of the abutting cover 31, the recovery of the springs 37 can drive the feeding cabin 34 to move in the movable cavity 25, the feeding ports 38 and the discharge ports 39 on the surface of the feeding cabin 34 are all retracted into the movable cavity 25, the internal space of the feeding cabin 34 is isolated from the internal space of the furnace body 21, and waste gas is prevented from continuously entering the feeding cabin 34.

Further, throw feed bin 34 movable mounting in the inside of activity chamber 25, handle 35 with support the back laminating of lid 31, fixed block 36 movable mounting is in the inside of spout 27, the tail end of spring 37 and the left side wall contact of spout 27 are convenient for throw the material into throw feed bin 34 inside, and transport in activity chamber 25 inside via throwing feed bin 34, guarantee the stability of throwing feed bin 34 motion, lose the extrusion back of supporting lid 31 for throwing feed bin 34, spring 37's recovery can promote to throw feed bin 34 and provide power in the inside removal of activity chamber 25.

Furthermore, the joint of the feeding bin 34 and the movable cavity 25 is in sealing connection, the tail end of the feeding bin 34 is exposed out of the movable cavity 25, the feeding port 38 and the discharge port 39 are communicated with the inner space of the furnace body 21, the length of the feeding port 38 is larger than that of the discharge port 39, the sealing performance inside the furnace body 21 is guaranteed, the materials inside the feeding bin 34 can be conveyed into the furnace body 21 conveniently, and the materials inside the furnace body 21 are supplemented.

Further, the top surface of air pump 42 is connected with the pipe, and the top of pipe runs through shell 41 'S top surface, the lateral wall of reacting chamber 44 is connected with the water changing pipe, install the refrigerator on the connecting pipe between reacting chamber 44 and the combustion chamber 46, and the connecting pipe is "S" shape structure, be convenient for derive the inside gas of desulfurization chamber 43 inside shell 41, be convenient for collect the inside aqueous ammonia of reacting chamber 44, it lowers the temperature in advance to get into the inside high-temperature gas of reacting chamber 44 from combustion chamber 46, avoid the stability of the inside aqueous ammonia of high temperature influence reacting chamber 44, the improvement is to high-temperature gas' S cooling effect.

Further, the bottom surface of shell 41 is run through at the middle part of siphunculus 47, and the bottom is located the inside of furnace body 21, the top surface in activity chamber 25 is run through to the bottom of siphunculus 47, and communicate with each other with the inside of throwing feed bin 34, ammonia gas detection device is installed to the bottom of siphunculus 47, the internally mounted of combustion chamber 46 has some firearms, be convenient for derive the inside waste gas of throwing feed bin 34, handle waste gas, make user's accessible controller observe the inside waste gas concentration of throwing feed bin 34, with this judge whether will throw feed bin 34 and pull out from activity chamber 25 is inside, be convenient for ignite the inside waste gas of combustion chamber 46, make carbon monoxide burn completely, reduce the pollution of waste gas to the environment.

The working principle is as follows: when the tool body 1 is used, the tool body 1 can be placed in the pocket cage 24, the jacking device 22 is controlled to operate, the top cover 23 is attached to the furnace body 21, and then the tool body 1 can be subjected to nitriding treatment.

During operation, the hand wheel can be rotated, the hand wheel drives the driving gear 32 to rotate, the driving gear 32 is meshed with the auxiliary gear 33 to drive the auxiliary gear 33 to rotate, then the auxiliary gear 33 is meshed with the guide rod 28 to drive the abutting cover 31 to move on the guide rod 28, then the feeding bin 34 loses the extrusion of the abutting cover 31, the spring 37 can be restored to push the feeding bin 34 to move inside the movable cavity 25, the feeding port 38 and the discharging port 39 on the surface of the feeding bin 34 are all retracted into the movable cavity 25, the inner space of the feeding bin 34 is isolated from the inner space of the furnace body 21, waste gas is prevented from continuously entering the feeding bin 34, the top end of the feeding bin 34 is still located inside the movable cavity 25, then the controller can be operated, the air pump 42 is started, and the air pump 42 can pump the waste gas in the feeding bin 34 into the combustion chamber 46 through the through pipe 47.

Then the inside some firearm of combustion chamber 46 will light waste gas, make the carbon monoxide complete combustion in the waste gas, reduce the pollution of waste gas to the environment, then waste gas can get into inside reaction chamber 44, and be cooled down by the refrigerator in advance when carrying, avoid the stability of the inside aqueous ammonia of high temperature influence reaction chamber 44, improve the cooling effect to high-temperature gas, then the ammonia in the waste gas can react with the inside water of reaction chamber 44, form the aqueous ammonia, cooler 45 can be cooled down to the aqueous ammonia after that, make the aqueous ammonia remain stable, reduce the volatilization of aqueous ammonia, then inside carbon dioxide of reaction chamber 44 can get into desulfurization chamber 43, discharge after the desulfurization, reducible influence of waste gas to people and environment, guarantee the practicality of device.

Meanwhile, the ammonia gas detection device can detect air in the feeding bin 34 to prevent waste gas from remaining in the feeding bin 34, then a user can pull the handle 35 to pull the bottom end of the feeding bin 34 out of the movable cavity 25, then materials can be fed into the feeding bin 34, after feeding is completed, the feeding bin 34 is pushed into the movable cavity 25 again, then the hand wheel can be reversed to enable the abutting cover 31 to be in contact with the handle 35 to push the feeding bin 34 to move towards the tail end of the movable cavity 25, then the discharge port 39 can be exposed out of the movable cavity 25, the materials in the feeding bin 34 can flow into the furnace body 21 through the discharge port 39, proper feeding of the furnace body 21 is achieved, influence of the waste gas released by the furnace body 21 is avoided, and the safety and environmental protection performance of the device are improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a tough processingequipment of stand wear and tear carbide cutter, includes nitriding furnace body (2), its characterized in that: the nitriding furnace body (2) comprises a furnace body (21), a jacking device (22) is fixedly installed on the side face of the furnace body (21), a top cover (23) is fixedly connected to the top end of the jacking device (22), a pocket cage (24) is fixedly connected to the bottom face of the top cover (23), a movable cavity (25) is formed in the side wall of the furnace body (21), a discharge chute (26) is formed in the tail end of the movable cavity (25), a sliding chute (27) is formed in the side wall of the movable cavity (25), a guide rod (28) is fixedly installed on the outer wall of the furnace body (21), a guide feeding structure (3) is installed on the side wall of the nitriding furnace body (2), the guide feeding structure (3) comprises a support cover (31), a support cover (31) is installed on the outer side wall of the furnace body (21), a driving gear (32) is movably installed inside the support cover (31), an auxiliary gear (33) is movably installed on the side face of the driving gear (32), a feeding bin (34) is movably installed on the inner face of the support cover (31), a feeding bin (34) is fixedly connected with a feeding bin (35), a fixing block (36) is fixedly connected to the side wall of the handle (34), and a spring (36) is connected with a fixing block (36) on the top face of the handle (36), throw the bottom surface of feed bin (34) and seted up discharge gate (39), the upside fixed mounting who leads to throw material structure (3) has exhaust-gas treatment structure (4), exhaust-gas treatment structure (4) are including shell (41), fixed mounting has shell (41) on the lateral wall of furnace body (21), the inside fixed mounting of shell (41) has air pump (42), downside fixedly connected with desulfurization chamber (43) of air pump (42), downside fixedly connected with reaction chamber (44) of desulfurization chamber (43), fixed mounting has cooler (45) on the lateral wall of reaction chamber (44), downside fixedly connected with combustion chamber (46) of reaction chamber (44), the bottom surface fixedly connected with siphunculus (47) of combustion chamber (46).

2. The apparatus of claim 1, wherein the apparatus comprises: the surface mounting of furnace body (21) has the controller, top cap (23) are located the top surface of furnace body (21), the diameter of top cap (23) is less than the diameter of furnace body (21), the junction of furnace body (21) and top cap (23) is provided with sealed the pad, activity chamber (25) are seted up for the tilting.

3. The apparatus of claim 1, wherein the apparatus comprises: the pressing cover (31) is located at the top end of the movable cavity (25), the area of the pressing cover (31) is larger than the cross sectional area of the movable cavity (25), a sealing pad is arranged at the joint of the pressing cover (31) and the movable cavity (25), the driving gear (32) is meshed with the auxiliary gear (33), and a hand wheel is fixedly connected to the front side face of the driving gear (32).

4. The apparatus of claim 1, wherein the apparatus comprises: the guide rods (28) are four in number, the guide rods (28) are arranged on the periphery of the top end of the movable cavity (25) respectively, the guide rods (28) all penetrate through the abutting cover (31), the auxiliary gears (33) are four in number, the auxiliary gears (33) are sleeved on the guide rods (28) respectively, thread grooves are formed in the inner side walls of the auxiliary gears (33) and the surfaces of the guide rods (28), and the guide rods (28) are in threaded engagement with the auxiliary gears (33).

5. The apparatus of claim 1, wherein the apparatus comprises: the feeding bin (34) is movably arranged in the movable cavity (25), the handle (35) is attached to the back face of the abutting cover (31), the fixing block (36) is movably arranged in the sliding groove (27), and the tail end of the spring (37) is in contact with the left side wall of the sliding groove (27).

6. The apparatus of claim 1, wherein the apparatus comprises: the joint of the feeding bin (34) and the movable cavity (25) is in sealing connection, the tail end of the feeding bin (34) is exposed out of the interior of the movable cavity (25), the feeding port (38) and the discharge port (39) are communicated with the inner space of the furnace body (21), and the length of the feeding port (38) is greater than that of the discharge port (39).

7. The apparatus of claim 1, wherein the apparatus comprises: the top surface of air pump (42) is connected with the pipe, and the top of pipe runs through the top surface of shell (41), the lateral wall of reaction chamber (44) is connected with trades the water pipe, install the refrigerator on the connecting tube between reaction chamber (44) and combustion chamber (46), and the connecting tube is "S" shape structure.

8. The apparatus of claim 1, wherein the apparatus comprises: the bottom surface of shell (41) is run through at the middle part of siphunculus (47), and the bottom is located the inside of furnace body (21), the top surface in activity chamber (25) is run through to the bottom of siphunculus (47), and communicates with each other with the inside of throwing feed bin (34), ammonia gas detection surveys the device is installed to the bottom of siphunculus (47), the internally mounted of combustion chamber (46) has some firearm.