CN214115643U

CN214115643U - Gas heat treatment furnace

Info

Publication number: CN214115643U
Application number: CN202022868394.6U
Authority: CN
Inventors: 许海贵
Original assignee: Penglai Hengji Metal Surface Treatment Co ltd
Current assignee: Penglai Hengji Metal Surface Treatment Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-03
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to the technical field of gas heat treatment furnaces, in particular to a gas heat treatment furnace, which improves the contact time between smoke and water when the smoke is discharged by arranging a first spiral pipe, increases the heat exchange between the smoke and the water, improves the heating efficiency of the water, improves the convenience of recycling the heat of the smoke and the water, reduces the economic loss, improves the heat preservation effect of a tank body by arranging first heat preservation cotton, reduces the loss of the heat, improves the heat preservation performance of a water tank by arranging second heat preservation cotton, improves the heat preservation effect of the hot water, and improves the practicability; still include burner, first tobacco pipe, first draught fan, jar body, inlet tube, first heat preservation cotton, first spiral pipe, water tank, second heat preservation cotton, drain pipe, water service pipe, water pump and first thermometer, be provided with air inlet and exhaust port in the burner, first tobacco pipe input and burner exhaust port intercommunication, first draught fan install on burner's lateral wall and with first intraductal intercommunication of tobacco, the internal cavity that is provided with of jar.

Description

Gas heat treatment furnace

Technical Field

The utility model relates to the technical field of gas heat treatment furnaces, in particular to a gas heat treatment furnace.

Background

A gas heat treatment furnace is an auxiliary device for a gas heat treatment furnace, which is widely used in the field of gas heat treatment furnaces; the existing gas heat treatment furnace is found in use, the gas heat treatment furnace mainly adopts a large trolley furnace as annealing equipment, and is suitable for heating, quenching and tempering, annealing, normalizing and tempering large welding parts, pressure vessels, rings, rollers, forgings, castings, pipe fittings, steel ingots, marine engines and military products and heat treatment of various mechanical parts.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through setting up first spiral pipe, with the contact time of water when improving the smoke and dust emission, increase the heat exchange of smoke and dust and water, improve the heating efficiency of water, improve the convenience of smoke and dust heat recovery utilization, reduce economic loss, through setting up first heat preservation cotton, improve the heat preservation effect of the jar body, reduce thermal loss, through setting up second heat preservation cotton, improve the heat insulating ability of water tank, improve hydrothermal heat preservation effect, improve a gas heat treatment furnace of practicality.

The utility model discloses a gas heat treatment furnace, still include burner, first tobacco pipe, first draught fan, the jar body, the inlet tube, first heat preservation cotton, first spiral pipe, the water tank, second heat preservation cotton, the drain pipe, the water service pipe, water pump and first thermometer, be provided with air inlet and exhaust port in the burner, first tobacco pipe input communicates with burner exhaust port, first draught fan is installed on burner's lateral wall and communicates with in the first tobacco pipe, the internal cavity that is provided with of jar, be provided with the water inlet in the cavity, the inlet tube sets up on the lateral wall of the jar body and the cavity water inlet communicates with each other, first heat preservation cotton suit is on the lateral wall of the jar body, first spiral pipe sets up in the cavity, and first spiral pipe input and first tobacco pipe output communicate, first spiral pipe output communicates and is provided with preheating device, and preheating device sets up the top at the jar body, the water tank is internally provided with a cavity, a water outlet is arranged in the cavity, the water outlet is communicated with the cavity and is arranged at the bottom of the cavity, second heat-preservation cotton is sleeved on the outer side wall of the water tank, a drain pipe is communicated with the water outlet of the cavity, an input end of a water service pipe is communicated with the cavity and extends into the cavity, an output end of the water service pipe is communicated with the cavity and is arranged on the upper part of the cavity, a water pump is arranged on the outer side wall of the tank body and is communicated with the water service pipe, and a first thermometer is arranged on the outer side wall of the water tank and is communicated with the cavity.

The utility model also comprises a preheating device, the preheating device comprises a first box body, a third heat preservation cotton, a second spiral pipe, an air inlet pipe, an air pipe and a second draught fan, the bottom end of the first box body is connected with the top end of the tank body, an air cavity is arranged in the first box body, an air inlet and an air outlet are arranged in the air cavity, and air inlet and gas vent all communicate with each other in the air cavity, the cotton suit of third heat preservation is on the inside wall of first box and sets up in the air cavity, the second spiral pipe sets up inside the air cavity, second spiral pipe input and first spiral pipe output intercommunication, second spiral pipe output and filter equipment intercommunication, the intake pipe sets up on the lateral wall of first box volume and communicates with the air cavity air inlet, the breather pipe input communicates with the air cavity gas vent, the breather pipe output communicates the second draught fan with the burner air inlet and installs on the burner lateral wall and communicate the setting on the breather pipe.

The utility model discloses a gas heat treatment furnace, still include filter equipment, filter equipment includes the second box, the third draught fan, filter pulp, activated carbon layer and blast pipe, second box bottom is connected with the burner top, be provided with the working chamber in the second box, be provided with air inlet and gas vent in the working chamber, and air inlet and gas vent all communicate with each other with the working chamber in, working chamber and second spiral pipe output intercommunication, the third draught fan is installed on second box lateral wall and the intercommunication sets up on second spiral pipe output, filter pulp is epitaxial to be connected and set up in the working chamber with second box inside wall, activated carbon layer is epitaxial to be connected and set up in the working chamber with second box inside wall, the blast pipe input is connected with second box lateral wall and communicates with the working chamber gas vent.

The utility model discloses a gas heat treatment furnace, still include the petticoat pipe, the petticoat pipe is installed on the output of blast pipe.

The utility model discloses a gas heat treatment furnace still includes the liquid level inductor, and the liquid level inductor is installed on the lateral wall of the jar body and communicates with each other in with the cavity.

The utility model discloses a gas heat treatment furnace still includes the second thermometer, and the second thermometer is installed on the lateral wall of first box and communicates with each other in the gas chamber.

Compared with the prior art, the beneficial effects of the utility model are that: normal temperature water is added into the tank body through the inlet tube, the smoke and dust discharged by the combustion device is conveyed into the first spiral tube through the first smoke tube by opening the first draught fan, high-temperature smoke and dust in the first spiral tube is enabled to heat the normal temperature water in the tank body, water after heating is enabled to be stored in the water tank by opening the water pump, hot water is discharged into the water tank through the water pipe, through the first spiral tube, the contact time between the smoke and dust and water during discharge is prolonged, heat exchange between the smoke and dust and water is increased, the heating efficiency of water is improved, the convenience of smoke and dust heat recycling is improved, economic loss is reduced, through the first heat insulation cotton, the heat insulation effect of the tank body is improved, heat loss is reduced, through the second heat insulation cotton, the heat insulation performance of the water tank is improved, the heat insulation effect of hot water is improved, and the practicability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the connection of the tank body with a water inlet pipe and the like;

FIG. 3 is an enlarged schematic view of the connection between the first box and the third insulation wool;

FIG. 4 is an enlarged schematic structural view of the connection of the second box body with a third induced draft fan and the like;

in the drawings, the reference numbers: 1. a combustion device; 2. a first smoke tube; 3. a first induced draft fan; 4. a tank body; 5. a water inlet pipe; 6. first heat insulation cotton; 7. a first spiral pipe; 8. a water tank; 9. second heat preservation cotton; 10. a drain pipe; 11. a water pipe; 12. a water pump; 13. a first thermometer; 14. a first case; 15. third heat preservation cotton; 16. a second spiral pipe; 17. an air inlet pipe; 18. a breather pipe; 19. a second induced draft fan; 20. a second case; 21. a third induced draft fan; 22. filtering cotton; 23. an activated carbon layer; 24. an exhaust pipe; 25. a smoke hood; 26. a liquid level sensor; 27. a second thermometer.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in FIGS. 1 to 4, the gas heat treatment furnace of the present invention further comprises a combustion device 1, a first smoke tube 2, a first induced draft fan 3, a tank body 4, a water inlet tube 5, a first heat insulation cotton 6, a first spiral tube 7, a water tank 8, a second heat insulation cotton 9, a water outlet tube 10, a water through tube 11, a water pump 12 and a first thermometer 13, wherein an air inlet and an exhaust port are arranged in the combustion device 1, an input end of the first smoke tube 2 is communicated with the exhaust port of the combustion device 1, the first induced draft fan 3 is arranged on the outer side wall of the combustion device 1 and is communicated with the inside of the first smoke tube 2, a cavity is arranged in the tank body 4, a water inlet is arranged in the cavity, the water inlet tube 5 is arranged on the outer side wall of the tank body 4 and is communicated with the water inlet of the cavity, the first heat insulation cotton 6 is sleeved on the outer side wall of the tank body 4, the first spiral tube 7 is arranged in the cavity, and an input end of the first spiral tube 7 is communicated with an output end of the first smoke tube 2, the output end of the first spiral pipe 7 is communicated with a preheating device, the preheating device is arranged at the top end of the tank body 4, a cavity is arranged in the water tank 8, a water outlet is arranged in the cavity, the water outlet is communicated with the cavity and arranged at the bottom of the cavity, the second heat-preservation cotton 9 is sleeved on the outer side wall of the water tank 8, the drain pipe 10 is communicated with the water outlet of the cavity, the input end of the water pipe 11 is communicated with the cavity and extends into the cavity, the output end of the water pipe 11 is communicated with the cavity and arranged at the upper part of the cavity, the water pump 12 is arranged on the outer side wall of the tank body 4 and is communicated with the interior of the water pipe 11, and the first thermometer 13 is arranged on the outer side wall of the water tank 8 and is communicated with the cavity; normal temperature water is added into the tank body 4 through the water inlet pipe 5, the smoke and dust discharged by the combustion device 1 is conveyed into the first spiral pipe 7 through the first smoke pipe 2 by opening the first draught fan 3, the high-temperature smoke and dust in the first spiral pipe 7 is heated by the normal temperature water in the tank body 4, the water after heating is stored by opening the water pump 12, the hot water is discharged into the water tank 8 through the conveying of the water service pipe 11 and is stored, through setting the first spiral pipe 7, the contact time of the smoke and dust with the water is prolonged when the smoke and dust is discharged, the heat exchange of the smoke and dust and the water is increased, the heating efficiency of the water is improved, the convenience of smoke and dust heat recycling is improved, the economic loss is reduced, through setting the first heat preservation cotton 6, the heat preservation effect of the tank body 4 is improved, the heat loss is reduced, through setting the second heat preservation cotton 9, the heat preservation performance of the water tank 8 is improved, the heat preservation effect of the hot water is improved, and the practicability is improved.

The utility model discloses a gas heat treatment furnace, still include preheating device, preheating device includes first box 14, third heat preservation cotton 15, second spiral pipe 16, intake pipe 17, breather pipe 18 and second draught fan 19, first box 14 bottom is connected with 4 tops of the jar body, be provided with the air cavity in the first box 14, the air intracavity is provided with air inlet and gas vent, and air inlet and gas vent all communicate with in the air cavity, third heat preservation cotton 15 suit is on the inside wall of first box 14 and sets up in the air cavity, second spiral pipe 16 sets up inside the air cavity, second spiral pipe 16 input and 7 output intercommunications of first spiral pipe, 16 output of second spiral pipe and filter equipment intercommunication, intake pipe 17 sets up on the lateral wall of first box 14 volume and communicates with air cavity air inlet, 18 input and gas cavity intercommunication, 18 output of breather pipe and 1 air inlet intercommunication second draught fan 19 are installed on 1 lateral wall of burner 1 and are led to establish on the lateral wall of burner, 18 output communicates with air cavity Is arranged on the vent pipe 18; in the smoke and dust that first spiral pipe 7 discharged got into second spiral pipe 16, the outdoor air that uses when burner 1 burns gets into first box 14 inside through first spiral pipe 7, the temperature of flue gas waste heat in with the gas cavity through second spiral pipe 16 risees, thereby make outdoor air heat in first box 14, make in heating gas gets into burner 1 air inlet, thereby improve burner 1's combustion efficiency, improve the energy-conserving effect of device, through setting up second draught fan 19, improve the unobstructed nature that burner 1 intake, reduce the resistance of pipeline to the air current, provide burner 1's combustion efficiency, and the practicability is improved.

The utility model discloses a gas heat treatment furnace, still include filter equipment, filter equipment includes second box 20, third draught fan 21, filter pulp 22, activated carbon layer 23 and blast pipe 24, second box 20 bottom is connected with 1 top of burner, be provided with the working chamber in the second box 20, be provided with air inlet and gas vent in the working chamber, and air inlet and gas vent all communicate with the working chamber, the working chamber communicates with the 16 output of second spiral pipe, third draught fan 21 is installed on second box 20 lateral wall and is communicated and set up on the 16 output of second spiral pipe, filter pulp 22 epitaxy is connected with second box 20 inside wall and is set up in the working chamber, activated carbon layer 23 epitaxy is connected with second box 20 inside wall and is set up in the working chamber, blast pipe 24 input is connected with second box 20 lateral wall and communicates with the working chamber gas vent; discharge to the second box 20 in with higher speed through opening the smoke and dust that third draught fan 21 made in the second spiral pipe 16, reduce the flow resistance of pipeline to the smoke and dust, improve the patency of discharging fume, filter through setting up filter pulp 22 the smoke and dust, reduce the dust impurity in the smoke and dust, improve the clean degree of smoke and dust, filter the smoke and dust through setting up activated carbon layer 23, reduce harmful substance content in the smoke and dust, improve the emission standard of smoke and dust, through setting up blast pipe 24, improve the convenience that the smoke and dust discharged, and the practicability is improved.

The utility model also comprises a smoke hood 25, the smoke hood 25 is arranged at the output end of the exhaust pipe 24; through setting up petticoat pipe 25, when reducing the smoke and dust and discharging, the dust granule in the smoke and dust upwards spreads, improves environmental protection, improves the practicality.

The utility model discloses a gas heat treatment furnace, which also comprises a liquid level sensor 26, wherein the liquid level sensor 26 is arranged on the outer side wall of the tank body 4 and is communicated with the chamber; through setting up liquid level sensor 26, improve the convenience that the inside water level of jar body 4 was observed, improve the heat exchange efficiency of normal atmospheric temperature water, improve the practicality.

The utility model discloses a gas heat treatment furnace, which also comprises a second thermometer 27, wherein the second thermometer 27 is arranged on the outer side wall of the first box body 14 and is communicated with the air cavity; by providing the second thermometer 27, the temperature inside the first casing 14 can be measured easily, and the convenience of measurement can be improved.

The utility model discloses a gas heat treatment furnace, it is at the during operation, at first add normal atmospheric temperature water in to jar body 4 through inlet tube 5, carry the smoke and dust of combustion apparatus 1 emission to first spiral pipe 7 in through first tobacco pipe 2 through opening first draught fan 3, make the high temperature smoke and dust in the first spiral pipe 7 advance to heat the normal atmospheric temperature water in jar body 4, water after the heating is through opening water pump 12, make hot water discharge to water tank 8 in through the transport of water service pipe 11 and store, later the smoke and dust that first spiral pipe 7 discharged gets into in second spiral pipe 16, the outdoor air that uses when combustion apparatus 1 burns passes through first spiral pipe 7 and gets into first box 14 inside, the temperature of flue gas waste heat in second spiral pipe 16 with the gas chamber risees, thereby make the outdoor air heat in first box 14, make heating gas get into in the air inlet of combustion apparatus 1, then discharge to second box 20 with higher speed through opening third draught fan 21 makes the smoke and dust in the second spiral pipe 16 discharge to second box 20 In, filter the smoke and dust through setting up filter pulp 22 and filter, reduce the dust impurity in the smoke and dust, filter the smoke and dust through setting up activated carbon layer 23, reduce the harmful substance content in the smoke and dust.

The installation mode, the connection mode or the arrangement mode of the gas heat treatment furnace of the utility model are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a burner 1, first draught fan 3, water pump 12, first thermometer 13, second draught fan 19, third draught fan 21, liquid level sensor 26 and second thermometer 27 of gas heat treatment furnace are purchase on the market, and this industry technical staff only need install and operate according to its subsidiary instructions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A gas heat treatment furnace is characterized by further comprising a combustion device (1), a first smoke tube (2), a first induced draft fan (3), a tank body (4), a water inlet tube (5), first heat-preservation cotton (6), a first spiral tube (7), a water tank (8), second heat-preservation cotton (9), a water discharge tube (10), a water through tube (11), a water pump (12) and a first thermometer (13), wherein an air inlet and an exhaust port are formed in the combustion device (1), the input end of the first smoke tube (2) is communicated with the exhaust port of the combustion device (1), the first induced draft fan (3) is installed on the outer side wall of the combustion device (1) and is communicated with the inside of the first smoke tube (2), a cavity is formed in the tank body (4), a water inlet is formed in the cavity, the water inlet tube (5) is arranged on the outer side wall of the tank body (4) and is communicated with the water inlet of the cavity, the first heat-preservation cotton (6) is sleeved on the outer side wall of the tank body (4), the first spiral pipe (7) is arranged in the cavity, the input end of the first spiral pipe (7) is communicated with the output end of the first smoke pipe (2), the output end of the first spiral pipe (7) is communicated with a preheating device, and preheating device sets up the top at jar body (4), be provided with the cavity in water tank (8), be provided with the delivery port in the cavity, the delivery port communicates with each other and sets up in the cavity bottom with the cavity, second heat preservation cotton (9) suit is on the lateral wall of water tank (8), drain pipe (10) intercommunication sets up in cavity delivery port department, communicate with each other and stretch into the cavity inside service pipe (11) input and cavity, communicate with each other and set up on cavity upper portion in service pipe (11) output and the cavity, water pump (12) are installed on jar body (4) lateral wall and communicate with each other in service pipe (11), first thermometer (13) are installed on the lateral wall of water tank (8) and communicate with each other in the cavity.

2. The gas heat treatment furnace according to claim 1, further comprising a preheating device, wherein the preheating device comprises a first box body (14), third insulating cotton (15), a second spiral pipe (16), a gas inlet pipe (17), a vent pipe (18) and a second induced draft fan (19), the bottom end of the first box body (14) is connected with the top end of the tank body (4), a gas cavity is arranged in the first box body (14), a gas inlet and a gas outlet are arranged in the gas cavity, the gas inlet and the gas outlet are communicated with the inside of the gas cavity, the third insulating cotton (15) is sleeved on the inner side wall of the first box body (14) and arranged in the gas cavity, the second spiral pipe (16) is arranged in the gas cavity, the input end of the second spiral pipe (16) is communicated with the output end of the first spiral pipe (7), the output end of the second spiral pipe (16) is communicated with the filtering device, the gas inlet pipe (17) is arranged on the outer side wall of the first box body (14) and is communicated with the gas inlet of the gas cavity, the input end of the vent pipe (18) is communicated with the air outlet of the air cavity, and the output end of the vent pipe (18) is communicated with the air inlet of the combustion device (1) and a second induced draft fan (19) is arranged on the outer side wall of the combustion device (1) and communicated with the vent pipe (18).

3. The gas heat treatment furnace according to claim 1, further comprising a filtering device, the filtering device comprises a second box body (20), a third induced draft fan (21), filter cotton (22), an activated carbon layer (23) and an exhaust pipe (24), the bottom end of the second box body (20) is connected with the top end of the combustion device (1), a working chamber is arranged in the second box body (20), an air inlet and an exhaust port are arranged in the working chamber, the air inlet and the exhaust port are both communicated with the working chamber, the working chamber is communicated with the output end of the second spiral pipe (16), the third induced draft fan (21) is arranged on the outer side wall of the second box body (20) and is communicated with the output end of the second spiral pipe (16), the extension of the filter cotton (22) is connected with the inner side wall of the second box body (20) and is arranged in the working chamber, the extension of the activated carbon layer (23) is connected with the inner side wall of the second box body (20) and is arranged in the working chamber, the input end of the exhaust pipe (24) is connected with the outer side wall of the second box body (20) and is communicated with the exhaust port of the working cavity.

4. A gas fired heat treatment furnace according to claim 3, further comprising a hood (25), the hood (25) being mounted on an output end of the exhaust duct (24).

5. A gas fired heat treatment furnace according to claim 4 further comprising a level sensor (26), the level sensor (26) being mounted on the outer side wall of the vessel (4) and communicating with the chamber.

6. A gas fired heat treatment furnace according to claim 5 further comprising a second temperature gauge (27), the second temperature gauge (27) being mounted on an outer side wall of the first casing (14) and communicating with the gas chamber.