CN209759565U - Novel nitriding furnace cover sealing device - Google Patents

Novel nitriding furnace cover sealing device Download PDF

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Publication number
CN209759565U
CN209759565U CN201920460613.1U CN201920460613U CN209759565U CN 209759565 U CN209759565 U CN 209759565U CN 201920460613 U CN201920460613 U CN 201920460613U CN 209759565 U CN209759565 U CN 209759565U
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CN
China
Prior art keywords
cavity
furnace
furnace cover
water
shell
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Expired - Fee Related
Application number
CN201920460613.1U
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Chinese (zh)
Inventor
定强
汪艳玲
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Shiyan Gezhi Precision Machinery Co Ltd
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Shiyan Gezhi Precision Machinery Co Ltd
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Priority to CN201920460613.1U priority Critical patent/CN209759565U/en
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Publication of CN209759565U publication Critical patent/CN209759565U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a novel nitriding furnace cover sealing device, which comprises a furnace base, a furnace body, an air cooler, a lifting mechanism, a fixed block, an axial fan, a furnace cover mechanism, a quick joint, a hot water pipe, a cold water pipe, a condensing mechanism, a compressor and a circulating water pump, wherein the lifting mechanism of the utility model pushes a stress rod and a hanging chain to move upwards through a cylinder, so that the furnace cover mechanism is lifted, thereby greatly saving the manpower and improving the working efficiency; due to the arrangement of the furnace cover mechanism, cooling water enters the cold water cavity through the water inlet, absorbs heat to cool the furnace cover body and is discharged through the hot water cavity and the water outlet, so that the surface temperature of the furnace cover body is favorably reduced, the sealing effect of the furnace cover body is ensured, the service life of the nitriding furnace is prolonged, and the use cost is reduced; the setting of condensation mechanism has effectually realized the cyclic utilization of water, has saved the water resource, has avoided the wasting of resources, has saved manufacturing cost.

Description

Novel nitriding furnace cover sealing device
Technical Field
The utility model belongs to the technical field of nitriding furnace equipment, especially, relate to a novel nitriding furnace lid sealing device.
Background
The nitriding furnace is mainly used for surface strengthening treatment of nitriding, carbonitriding and the like of steel parts, the commonly used nitriding furnaces mainly comprise a pit-type nitriding furnace, a box-type nitriding furnace and the like, the traditional nitriding furnace has the defects of high rework rate and the like due to poor temperature uniformity in the furnace, and in the cooling stage, the low cooling efficiency affects the utilization rate of equipment.
The invention discloses a full-sealed carburizing nitriding furnace with the Chinese patent publication number of CN 202688411U, and the name created by the invention is a full-sealed carburizing nitriding furnace, which comprises a furnace body and a furnace cover, wherein the furnace body is provided with a shell, a working chamber and a heat-insulating layer, the shell is an integrated cylindrical structure formed by welding a bottom seal cover, a cylinder body and a top seal cover, an annular seal plate is arranged at the lap joint of the bottom seal cover and the cylinder body and is pasted at the outer side of the bottom seal cover, the lap joint of the top seal cover and the cylinder body is provided with the annular seal plate, the annular seal plate is pasted at the inner side of the top seal cover, a through hole is arranged on the top seal cover, a seal flange is arranged between the shell and the furnace cover and is fixed on the top seal cover of the shell, an annular groove and a seal ring are arranged on the seal surface of the seal. The utility model discloses a bell and furnace body shell are sealed and sealed respond well, and the stove jar can be used for a long time and need not to change, practices thrift a large amount of materials. However, the existing fully-sealed carburizing and nitriding furnace still has the problems that the furnace cover in the temperature rising stage is easy to deform and leak gas after long-time use due to high temperature, if the furnace cover is used for entering air, the phenomenon of oxidation and peeling of the surface of a part can be caused, the furnace cover is not cooled, and a large amount of water sources are wasted and the water recycling cannot be realized if water is simply used for cooling.
Therefore, the invention of a novel nitriding furnace cover sealing device is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel nitrogenize bell sealing device to solve current totally enclosed carburization nitriding furnace and still having the bell in intensification stage because of the temperature is high, easily cause long-time back bell deformation gas leakage that uses, if make the interior entering air of stove, can cause part surface oxidation skinning phenomenon, do not carry out the technique of cooling to the bell, and the simple water that utilizes can cause a large amount of water sources extravagant if cooling, can't realize the cyclic utilization's of water problem. A novel nitriding furnace cover sealing device comprises a furnace base, a furnace body, an air cooler, a lifting mechanism, a fixed block, an axial fan, a furnace cover mechanism, a quick joint, a hot water pipe, a cold water pipe, a condensing mechanism, a compressor and a circulating water pump, wherein the furnace base is welded at the bottom of the furnace body; 2 air coolers are adopted and are respectively arranged on two sides of the furnace body; the lifting mechanism is arranged on one side of the furnace body through bolts; the plurality of fixed blocks are welded at the top of the furnace body, and threaded holes are formed in the middle of the fixed blocks; the axial fan is arranged at the top of the furnace cover mechanism through a bolt and penetrates into the furnace body; the furnace cover mechanism is clamped at the top of the furnace body and is in sealing connection with the fixed block through a bolt; 2 quick connectors are adopted and are respectively in threaded connection with the hot water pipe and the cold water pipe; the hot water pipe is respectively connected with the furnace cover mechanism and the condensing mechanism; the cold water pipe is respectively connected with the furnace cover mechanism and the circulating water pump; the condensation mechanism is respectively connected with the circulating water pump and the compressor through pipelines; the compressor and the circulating water pump are both commercially available products.
The lifting mechanism comprises an air cylinder, a stress rod and a hanging chain, and the air cylinder is arranged on one side of the furnace body through a bolt; the stress rod is fixed on the top of the cylinder through a bolt; 2 lifting chains are adopted and are respectively connected with the stress rod and the furnace cover mechanism; the air cylinder is a standard air cylinder sold in the market and is connected with an external air source through an air pipe; the stress rod and the hanging chain are pushed to move upwards through the air cylinder, so that the furnace cover mechanism is lifted, the labor force is greatly saved, and the working efficiency is improved.
The furnace cover mechanism comprises a furnace cover body, a cold water cavity, a partition plate, a hot water cavity, a water inlet and a water outlet, wherein the cold water cavity and the hot water cavity are both arranged in the furnace cover body; the partition plate is arranged between the cold water cavity and the hot water cavity and is integrated with the furnace cover body; the water inlet and the water outlet are respectively in through connection with the cold water cavity and the hot water cavity.
The condensation mechanism comprises a refrigerant cavity shell, a condensate cavity, a cavity diaphragm, a condensation gas cavity, a condensate inlet, a condensation gas outlet, a condensation pipe, a heat exchange shell, a hot fluid circulation cavity, a hot fluid inlet, an embedded plate and a condensation fluid outlet, wherein the refrigerant cavity shell is connected with one end of the heat exchange shell through a bolt, and a sealing gasket is arranged in the middle of the refrigerant cavity shell; the condensed liquid cavity and the condensed gas cavity are both arranged in the refrigerant cavity shell; the cavity diaphragm is arranged between the condensed liquid cavity and the condensed gas cavity and is integrated with the refrigerant cavity shell; the condensed fluid inlet and the condensed gas outlet are respectively welded at the top and the bottom of the refrigerant cavity shell; the condensing pipe is embedded on the embedded plate and penetrates into the condensed liquid cavity and the condensed gas cavity; the hot fluid circulation cavity is arranged in the heat exchange shell; the hot fluid inlet and the condensed fluid outlet are respectively welded at the top and the bottom of the heat exchange shell and are communicated with the hot fluid circulation cavity; the embedded plate and the heat exchange shell are integrated.
The condenser pipe adopts the plain tube of full copper, sets up to the snake shape, and the dish is rolled up and is circulated the intracavity in the hot-fluid, has increased the length of condenser pipe, has fully guaranteed the effect of heat exchange.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. The utility model discloses elevating system's setting promotes atress pole and chain sling upward movement through the cylinder for bell mechanism is hoisted, has saved the human labor greatly, has improved work efficiency.
2. the utility model discloses a setting of bell mechanism, cooling water get into the cold water chamber through the water inlet and carry out the heat absorption cooling to the bell body, discharge through hot water chamber and delivery port, are favorable to reducing the temperature on bell body surface, guarantee the sealed effect of stove lid body, make nitriding furnace life extension, have reduced use cost.
3. The utility model discloses a setting of condensation mechanism, hot water passes through hot-water line and hot-fluid import entering hot-fluid circulation chamber, condensate liquid in the compressor passes through the condensate import and gets into the condensate liquid chamber, then get into the condenser pipe, condensate and hot water in the condenser pipe take place the heat exchange in hot-fluid circulation intracavity, condensate liquid evaporates to be gaseous after meeting the heat, most steam is taken away by condensing gas in the hot water, discharge and get back to the compressor once more through the condensing gas export and compress, the hot water becomes condensate liquid after being condensed, discharge through the condensate fluid export, circulating water pump discharges condensate fluid once more to the bell mechanism in through the cold-water line and cools down, the effectual cyclic utilization who has realized water, the water resource has been saved, the wasting of resources has been avoided, and the production cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the lifting mechanism of the present invention.
fig. 3 is a schematic structural view of the furnace cover mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the condensing mechanism of the present invention.
In the figure:
1-furnace base, 2-furnace body, 3-air cooler, 4-lifting mechanism, 41-cylinder, 42-stress rod, 43-sling chain, 5-fixed block, 6-axial fan, 7-furnace cover mechanism, 71-furnace cover body, 72-cold water cavity, 73-clapboard, 74-hot water cavity, 75-water inlet, 76-water outlet, 8-quick joint, 9-hot water pipe, 10-cold water pipe, 11-condensing mechanism, 111-refrigerant cavity shell, 112-condensate cavity, 113-cavity diaphragm, 114-condensed gas cavity, 115-condensate inlet, 116-condensed gas outlet, 117-condenser pipe, 118-heat exchange shell, 119-hot fluid circulation cavity, 110-hot fluid inlet, 1101-embedded plate, 1102-condensed fluid outlet, 12-compressor, 13-circulating water pump.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
Example (b):
As shown in figures 1 to 4
the utility model provides a novel nitriding furnace cover sealing device, which comprises a furnace base 1, a furnace body 2, an air cooler 3, a lifting mechanism 4, a fixed block 5, an axial fan 6, a furnace cover mechanism 7, a quick joint 8, a hot water pipe 9, a cold water pipe 10, a condensing mechanism 11, a compressor 12 and a circulating water pump 13, wherein the furnace base 1 is welded at the bottom of the furnace body 2; 2 air coolers 3 are respectively arranged on two sides of the furnace body 2; the lifting mechanism 4 is arranged on one side of the furnace body 2 through bolts; a plurality of fixed blocks 5 are welded at the top of the furnace body 2, and threaded holes are formed in the middle of the fixed blocks; the axial fan 6 is arranged at the top of the furnace cover mechanism 7 through a bolt and penetrates into the furnace body 2; the furnace cover mechanism 7 is clamped at the top of the furnace body 2 and is in sealing connection with the fixed block 5 through a bolt; 2 quick connectors 8 are adopted and are respectively in threaded connection with a hot water pipe 9 and a cold water pipe 10; the hot water pipe 9 is respectively connected with the furnace cover mechanism 7 and the condensing mechanism 11; the cold water pipe 10 is respectively connected with the furnace cover mechanism 7 and the circulating water pump 13; the condensing mechanism 11 is respectively connected with a circulating water pump 13 and a compressor 12 through pipelines; the compressor 12 and the circulating water pump 13 are both commercially available products.
The lifting mechanism 4 comprises a cylinder 41, a stress rod 42 and a suspension chain 43, and the cylinder 41 is arranged on one side of the furnace body 2 through bolts; the stress rod 42 is fixed on the top of the cylinder 41 through a bolt; 2 lifting chains 43 are respectively connected with the stress rod 42 and the furnace cover mechanism 7; the air cylinder 41 adopts a standard air cylinder sold in the market and is connected with an external air source through an air pipe; the air cylinder 41 pushes the stress rod 42 and the hanging chain 43 to move upwards, so that the furnace cover mechanism 7 is lifted, the labor force is greatly saved, and the working efficiency is improved.
The furnace cover mechanism 7 comprises a furnace cover body 71, a cold water cavity 72, a partition plate 73, a hot water cavity 74, a water inlet 75 and a water outlet 76, wherein the cold water cavity 72 and the hot water cavity 74 are both arranged in the furnace cover body 71; the partition plate 73 is arranged between the cold water cavity 72 and the hot water cavity 74 and is integrated with the furnace cover 71; the water inlet 75 and the water outlet 76 are respectively connected with the cold water cavity 72 and the hot water cavity 74 in a penetrating way.
The condensing mechanism 11 comprises a refrigerant cavity shell 111, a condensed liquid cavity 112, a cavity diaphragm 113, a condensed gas cavity 114, a condensed liquid inlet 115, a condensed gas outlet 116, a condensing pipe 117, a heat exchange shell 118, a hot fluid circulation cavity 119, a hot fluid inlet 110, an embedded plate 1101 and a condensed fluid outlet 1102, wherein the refrigerant cavity shell 111 is connected with one end of the heat exchange shell 118 through bolts, and a sealing gasket is arranged in the middle of the refrigerant cavity shell 111; the condensed liquid cavity 112 and the condensed gas cavity 114 are both arranged inside the refrigerant cavity shell 111; the cavity diaphragm 113 is arranged between the condensed liquid cavity 112 and the condensed gas cavity 114 and is integrated with the refrigerant cavity shell 111; the condensate inlet 115 and the condensate gas outlet 116 are respectively welded at the top and the bottom of the refrigerant cavity shell 111; the condensation pipe 117 is embedded on the embedded plate 1101 and penetrates into the condensed liquid cavity 112 and the condensed gas cavity 114; the thermal fluid circulation cavity 119 is opened in the heat exchange shell 118; the hot fluid inlet 110 and the condensed fluid outlet 1102 are respectively welded at the top and the bottom of the heat exchange shell 118 and are communicated with the hot fluid circulation cavity 119; the installation plate 1101 is integrated with the heat exchange housing 118.
The condenser pipe 117 adopts a light pipe made of all copper and is arranged in a snake shape, and the condenser pipe is coiled in the hot fluid circulation cavity 119, so that the length of the condenser pipe 117 is increased, and the heat exchange effect is fully ensured.
Principle of operation
In the utility model, in the temperature rising stage, the cooling water enters the cold water chamber 72 through the water inlet 75 and absorbs heat to cool the furnace cover body 71, the hot water is discharged through the hot water chamber 74 and the water outlet 76, the hot water enters the hot fluid circulation chamber 119 through the hot water pipe 9 and the hot fluid inlet 110, the condensed liquid in the compressor 12 enters the condensed liquid chamber 112 through the condensed liquid inlet 115, then the condensed liquid enters the condenser pipe 117, the condensed liquid and the hot water in the condenser pipe 117 are subjected to heat exchange in the hot fluid circulation chamber 119, the condensed liquid is evaporated into gas after being heated, most of the hot gas in the hot water is taken away by the condensed gas, the condensed liquid is discharged through the condensed gas outlet 116 and returns to the compressor 12 again for compression, the hot water is condensed into the condensed liquid after being condensed, the condensed liquid is discharged through the condensed fluid outlet 1102, the circulating water pump 13 discharges the condensed fluid to the furnace cover mechanism 7 again through the, the water resource is saved, the resource waste is avoided, the production cost is saved, and when the furnace is lifted, the stress rod 42 and the hanging chain 43 are pushed to move upwards through the air cylinder 41, so that the furnace cover mechanism 7 is lifted, the labor force is greatly saved, and the working efficiency is improved.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (5)

1. The utility model provides a novel nitrogenize bell sealing device which characterized in that: the furnace comprises a furnace base (1), a furnace body (2), an air cooler (3), a lifting mechanism (4), a fixing block (5), an axial fan (6), a furnace cover mechanism (7), a quick joint (8), a hot water pipe (9), a cold water pipe (10), a condensing mechanism (11), a compressor (12) and a circulating water pump (13), wherein the furnace base (1) is welded at the bottom of the furnace body (2); 2 air coolers (3) are respectively arranged on two sides of the furnace body (2); the lifting mechanism (4) is arranged on one side of the furnace body (2) through bolts; the plurality of fixed blocks (5) are welded at the top of the furnace body (2), and threaded holes are formed in the middle of the fixed blocks; the axial fan (6) is arranged at the top of the furnace cover mechanism (7) through a bolt and penetrates into the furnace body (2); the furnace cover mechanism (7) is clamped at the top of the furnace body (2) and is in sealing connection with the fixed block (5) through a bolt; 2 quick connectors (8) are respectively connected to the hot water pipe (9) and the cold water pipe (10) in a threaded manner; the hot water pipe (9) is respectively connected with the furnace cover mechanism (7) and the condensing mechanism (11); the cold water pipe (10) is respectively connected with the furnace cover mechanism (7) and the circulating water pump (13); the condensation mechanism (11) is respectively connected with the circulating water pump (13) and the compressor (12) through pipelines; the compressor (12) and the circulating water pump (13) are both commercially available products.
2. A novel nitriding furnace lid sealing device according to claim 1, characterized in that: the lifting mechanism (4) comprises an air cylinder (41), a stress rod (42) and a hanging chain (43), and the air cylinder (41) is installed on one side of the furnace body (2) through a bolt; the stress rod (42) is fixed at the top of the cylinder (41) through a bolt; 2 lifting chains (43) are respectively connected with the stress rod (42) and the furnace cover mechanism (7).
3. A novel nitriding furnace lid sealing device according to claim 1, characterized in that: the furnace cover mechanism (7) comprises a furnace cover body (71), a cold water cavity (72), a partition plate (73), a hot water cavity (74), a water inlet (75) and a water outlet (76), wherein the cold water cavity (72) and the hot water cavity (74) are both arranged in the furnace cover body (71); the partition plate (73) is arranged between the cold water cavity (72) and the hot water cavity (74) and is integrated with the furnace cover body (71); the water inlet (75) and the water outlet (76) are respectively connected with the cold water cavity (72) and the hot water cavity (74) in a penetrating way.
4. A novel nitriding furnace lid sealing device according to claim 1, characterized in that: the condensation mechanism (11) comprises a refrigerant cavity shell (111), a condensate liquid cavity (112), a cavity diaphragm (113), a condensed gas cavity (114), a condensate liquid inlet (115), a condensed gas outlet (116), a condensing pipe (117), a heat exchange shell (118), a hot fluid circulation cavity (119), a hot fluid inlet (110), an embedded plate (1101) and a condensed fluid outlet (1102), wherein the refrigerant cavity shell (111) is connected with one end of the heat exchange shell (118) through bolts, and a sealing gasket is arranged in the middle of the refrigerant cavity shell; the condensed liquid cavity (112) and the condensed gas cavity (114) are both arranged in the refrigerant cavity shell (111); the cavity diaphragm (113) is arranged between the condensed liquid cavity (112) and the condensed gas cavity (114) and is integrated with the refrigerant cavity shell (111); the condensate inlet (115) and the condensed gas outlet (116) are respectively welded at the top and the bottom of the refrigerant cavity shell (111); the condensation pipe (117) is embedded on the embedded plate (1101) and penetrates into the condensed liquid cavity (112) and the condensed gas cavity (114); the hot fluid circulation cavity (119) is arranged in the heat exchange shell (118); the hot fluid inlet (110) and the condensed fluid outlet (1102) are respectively welded at the top and the bottom of the heat exchange shell (118) and are communicated with the hot fluid circulation cavity (119); the embedded plate (1101) and the heat exchange shell (118) are arranged to be integrated.
5. a novel nitriding furnace lid sealing device according to claim 4, characterized in that: the condensing pipe (117) adopts a light pipe made of all copper and is arranged in a snake shape, and the condensing pipe is arranged in the hot fluid circulation cavity (119) in a rolling mode.
CN201920460613.1U 2019-04-08 2019-04-08 Novel nitriding furnace cover sealing device Expired - Fee Related CN209759565U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920460613.1U CN209759565U (en) 2019-04-08 2019-04-08 Novel nitriding furnace cover sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920460613.1U CN209759565U (en) 2019-04-08 2019-04-08 Novel nitriding furnace cover sealing device

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Publication Number Publication Date
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Application Number Title Priority Date Filing Date
CN201920460613.1U Expired - Fee Related CN209759565U (en) 2019-04-08 2019-04-08 Novel nitriding furnace cover sealing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112725645A (en) * 2020-12-22 2021-04-30 大冶市兴进铝业有限公司 Novel aluminium alloy preparation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112725645A (en) * 2020-12-22 2021-04-30 大冶市兴进铝业有限公司 Novel aluminium alloy preparation device

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191210

Termination date: 20200408

CF01 Termination of patent right due to non-payment of annual fee