CN213357679U - Heat recovery device for workpiece heat treatment - Google Patents

Abstract

The utility model discloses a heat reclamation device for heat treatment of work piece belongs to heat reclamation device technical field, including the heat treatment furnace body, the thermovent has been seted up at the top of heat treatment furnace body, the top fixedly connected with heat dissipation case of heat treatment furnace body, the top fixed mounting of heat dissipation case has hydraulic rod, hydraulic rod's bottom is run through and is extended to the inside of heat dissipation case, hydraulic rod's bottom fixedly connected with agrees with the piece, agree with the piece and be located the inside of thermovent and contact with the inner wall of thermovent. The utility model discloses a, gas after the heat transfer finishes rises to and discharges from the exhaust hole behind the heat exchanger top, and because the water droplet of heat transfer condensation then can receive the gravity factor to fall into the install bin inside from the heat exchanger, can pass through outlet discharge install bin, the design can be so that the water under the condensation can flow the install bin through the outlet along the diapire of install bin slope, has solved the problem of the heat gas waste in a large number after heat treatment in the past.

Description

Heat recovery device for workpiece heat treatment

Technical Field

The utility model relates to a heat reclamation device technical field, more specifically say, relate to a heat reclamation device for work piece thermal treatment.

Background

The heat treatment is a metal hot working process for obtaining expected structure and performance by heating, heat preservation and cooling materials in a solid state, most of the materials or workpieces are heated by a heat treatment furnace at present, but the furnace temperature, the furnace atmosphere and the like are strictly controlled, most of the heat treatment furnaces are heated by gas fuel, and some heat treatment furnaces are electrically heated for accurately controlling the furnace temperature. Modern heat treatment processes are becoming more and more complex and heat treatment furnaces are also taking many forms.

However, most of the heat dissipated by the high-temperature workpiece in the heat treatment process is directly discharged to the environment, which not only causes energy waste, but also greatly affects the workshop environment, and if the hot gas directly gushes onto the body of the worker, a safety accident is easily caused, so that the professional in the field provides a heat recovery device for heat treatment of the workpiece, and the problems mentioned in the background technology are solved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a heat reclamation device is used in work piece thermal treatment possesses the advantage that heat exchange efficiency is high, has solved the problem that above-mentioned background art mentioned.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A heat recovery device for heat treatment of workpieces comprises a heat treatment furnace body, wherein a heat dissipation port is formed in the top of the heat treatment furnace body, a heat dissipation box is fixedly connected to the top of the heat treatment furnace body, a hydraulic push rod is fixedly mounted at the top of the heat dissipation box, the bottom end of the hydraulic push rod penetrates through and extends to the inside of the heat dissipation box, a matching block is fixedly connected to the bottom end of the hydraulic push rod, the matching block is located inside the heat dissipation port and is in contact with the inner wall of the heat dissipation port, two partition plates are fixedly connected to the inside of the heat dissipation box, the two partition plates are respectively located on the left side and the right side of the hydraulic push rod, suction fans are fixedly mounted on the opposite surfaces of the two partition plates, metal plates are fixedly connected to the opposite sides of the two partition plates, one side of the opposite sides of the two metal plates is fixedly connected with the inner wall of, the two grooves are both fixedly connected with primary heat exchange tubes, the left and right ends of the two primary heat exchange tubes penetrate through and extend to the top of the heat dissipation box, one adjacent end between the two primary heat exchange tubes is fixedly connected with a water outlet pipe communicated with the two primary heat exchange tubes, the left side and the right side of the heat treatment furnace body are fixedly connected with installation boxes communicated with the inside of the heat treatment furnace body, the tops of the two installation boxes are fixedly connected with heat exchangers respectively communicated with the two installation boxes, the tops of the two heat exchangers are respectively provided with an external water pipe, the bottom ends of the two external water pipes respectively penetrate through the two heat exchangers and the two installation boxes and respectively extend to the bottoms of the two installation boxes, and the two external water pipes are respectively and fixedly connected with second-stage heat exchange pipes which are uniformly distributed, the second-stage heat exchange tubes are respectively positioned inside the two heat exchangers, and the top parts of the two heat exchangers are provided with uniformly distributed exhaust holes.

Preferably, the secondary heat exchange tubes are fixedly connected with annular heat exchange fins which are arranged at equal intervals, and the annular heat exchange fins are made of aluminum materials.

Preferably, the two primary heat exchange tubes are serpentine in top view shape.

Preferably, the front view shape of the bottom of the installation box is inclined from top to bottom towards one side opposite to the back, and a water outlet is formed in one side, away from the heat treatment furnace body, of the installation box.

Preferably, two arc-shaped plates are fixedly connected to the inner bottom wall of the heat dissipation box, the two arc-shaped plates are respectively located on the opposite sides of the two partition plates, and the front view shapes of the two arc-shaped plates are bent from the lower part to the upper part towards one side away from the partition plates.

Preferably, the top of the heat dissipation box is fixedly connected with a sealing gasket, and the top of the sealing gasket is in contact with the bottom of the hydraulic push rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme includes that when heat needs to be released after a workpiece is processed, the hydraulic push rod is electrified to work, the hydraulic push rod drives the conjunction block to be separated from the upper portion of the heat dissipation port, gas with a large amount of heat flows into the interior of the heat dissipation box from the heat dissipation port, the sealing gasket can prevent the gas from being sprayed out from the contact place of the hydraulic push rod and the heat dissipation box, waste of resources is avoided, and harm to surrounding workers due to the fact that the gas is too high is avoided, then the suction fan is electrified to work, the suction fan introduces the gas into the back of the partition plate, cooling water is added into the primary heat exchange tube, the gas rises along the arc plate and contacts with the metal plate, heat exchange is carried out with the cooling water in the primary heat exchange tube, and accordingly, hot air which just enters can come to the bottom of the metal plate along with the arc plate, and the situation that a large amount of, the snakelike primary heat exchange tube can prolong the contact time of cooling water and gas so as to achieve better heat exchange, the heated water flows out along the water outlet pipe, the heated water can be used for the life of workers, the gas after primary heat exchange enters the inside of the installation box and then rises to the inside of the heat exchanger to perform secondary heat exchange with the secondary heat exchange tube and the annular heat exchange plate, the aluminum annular heat exchange plate can increase the contact area with the gas so as to perform more effective heat exchange work, the aluminum material has good cold conducting property, the gas after heat exchange is lifted to the top of the heat exchanger and then is discharged from the exhaust hole, water drops condensed due to heat exchange can fall into the inside of the installation box from the inside of the heat exchanger by gravity factors and can be discharged out of the installation box through the water outlet, and the design can ensure that the condensed water flows out of the installation box through the, solves the problem of great waste of heat gas after heat treatment in the past.

(2) This scheme, inside gas after preliminary heat transfer got into the inside back of install bin and rises to the heat exchanger, carried out the secondary heat transfer with second grade heat exchange tube and annular heat exchanger fin, thereby the annular heat exchanger fin of aluminium system can increase and carry out more effectual heat transfer work with gaseous area of contact, and the aluminium material has fine cold nature of leading.

(3) This scheme, snakelike one-level heat exchange tube can increase the contact time of cooling water and gas to can reach better heat transfer.

(4) This scheme, because the water droplet of heat transfer condensation then can receive the gravity factor to fall into the install bin inside from the heat exchanger, the design can be so that the water under the condensation can pass through the outlet outflow install bin along the diapire of install bin slope.

(5) This scheme, gaseous rising and the metal sheet contact along the arc, the design can be so that the hot-air that just got into can come the bottom of metal sheet along with the arc, avoids inside a large amount of high-temperature gas just gushes into the install bin by the heat transfer.

(6) This scheme, sealed the pad can prevent that gas from gushing out from the place of hydraulic rod and heat dissipation case contact, avoids causing the waste of resource also to avoid gaseous too high staff on every side to cause the injury.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic rear view of the present invention;

FIG. 4 is a schematic top view of the metal plate of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the heat exchanger in a plan view.

The reference numbers in the figures illustrate:

1. a heat treatment furnace body; 2. a heat dissipation port; 3. a heat dissipation box; 4. a hydraulic push rod; 5. fitting blocks; 6. a partition plate; 7. a suction fan; 8. a metal plate; 9. a groove; 10. a first-stage heat exchange tube; 11. installing a box; 12. a heat exchanger; 13. is externally connected with a water pipe; 14. a second-stage heat exchange tube; 15. an exhaust hole; 16. a water outlet pipe; 17. an annular heat exchanger fin; 18. a water outlet; 19. an arc-shaped plate; 20. and a gasket.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a heat recovery device for heat treatment of a workpiece comprises a heat treatment furnace body 1, a heat dissipation port 2 is formed at the top of the heat treatment furnace body 1, a heat dissipation box 3 is fixedly connected to the top of the heat treatment furnace body 1, a hydraulic push rod 4 is fixedly installed at the top of the heat dissipation box 3, the bottom end of the hydraulic push rod 4 penetrates and extends into the heat dissipation box 3, a fitting block 5 is fixedly connected to the bottom end of the hydraulic push rod 4, the fitting block 5 is located inside the heat dissipation port 2 and contacts with the inner wall of the heat dissipation port 2, two partition plates 6 are fixedly connected to the inside of the heat dissipation box 3, the two partition plates 6 are respectively located at the left side and the right side of the hydraulic push rod 4, suction fans 7 are fixedly installed on the opposite sides of the two partition plates 6, metal plates 8 are fixedly connected to the opposite sides of the two partition plates 6, and the opposite sides of the two, the top parts of the two metal plates 8 are respectively provided with a groove 9, the two grooves 9 are internally and fixedly connected with a first-stage heat exchange pipe 10, the left and right ends of the two first-stage heat exchange pipes 10 penetrate through and extend to the top part of the heat dissipation box 3, one adjacent end between the two first-stage heat exchange pipes 10 is fixedly connected with a water outlet pipe 16 communicated with the two first-stage heat exchange pipes 10, the opposite ends of the two first-stage heat exchange pipes 10 can be communicated with a water pipe or a water storage box, the left and right sides of the heat treatment furnace body 1 are respectively and fixedly connected with installation boxes 11 communicated with the inside of the heat treatment furnace body, the top parts of the two installation boxes 11 are respectively and fixedly connected with heat exchangers 12 respectively communicated with the two installation boxes 11, the top parts of the two heat exchangers 12 are respectively provided with an external water pipe 13, the bottom ends of the two external water pipes 13 respectively penetrate through the, the second-stage heat exchange tubes 14 are respectively positioned inside the two heat exchangers 12, the tops of the two heat exchangers 12 are respectively provided with uniformly distributed exhaust holes 15, when heat needs to be released after a workpiece is processed, the hydraulic push rod 4 is electrified to work, the hydraulic push rod 4 drives the conjunction block 5 to separate from the upper part of the heat dissipation port 2, so that gas with a large amount of heat flows into the heat dissipation box 3 from the heat dissipation port 2, the sealing gasket 20 can prevent the gas from being sprayed out from the contact part of the hydraulic push rod 4 and the heat dissipation box 3, the waste of resources and the damage of the gas to surrounding workers due to overhigh height are avoided, the suction fan 7 is electrified to work, the suction fan 7 introduces the gas into the back of the partition plate 6, cooling water is added into the first-stage heat exchange tubes 10, the gas rises along the arc-shaped plates 19 to contact with the metal plates 8, and then exchanges heat with the cooling water, the design can lead the hot air which just enters to come to the bottom of the metal plate 8 along with the arc-shaped plate 19, avoid that a large amount of high-temperature gas is not subjected to heat exchange and then rushes into the installation box 11, the snakelike primary heat exchange tube 10 can increase the contact time of cooling water and the gas, thereby achieving better heat exchange, the heated water flows out along the water outlet pipe 16, the heated water can be used for the life of workers, the gas after primary heat exchange enters the installation box 11 and then rises into the heat exchanger 12, secondary heat exchange is carried out between the gas and the secondary heat exchange tube 14 and the annular heat exchange sheet 17, the annular heat exchange sheet 17 made of aluminum can increase the contact area between the gas and further carry out more effective heat exchange work, the aluminum material has good cold conducting property, the gas after heat exchange is finished rises to the top of the heat exchanger 12 and then is discharged from the exhaust hole 15, and water drops condensed due to heat exchange can fall into the installation, the water can be discharged out of the installation box 11 through the water outlet 18, so that the condensed water can flow out of the installation box 11 through the water outlet 18 along the inclined bottom wall of the installation box 11, and the problem that a large amount of heat gas is wasted after the heat treatment in the prior art is solved.

Further, equal fixedly connected with equidistant annular heat exchanger fin 17 of arranging on the second grade heat exchange tube 14, annular heat exchanger fin 17 is made by aluminium material, and gas after preliminary heat transfer gets into the install bin 11 inside back and rises to inside heat exchanger 12, carries out the secondary heat transfer with second grade heat exchange tube 14 and annular heat exchanger fin 17, thereby the annular heat exchanger fin 17 of aluminium can increase and carry out more effective heat transfer work with gaseous area of contact, and the aluminium material has fine cold nature of leading.

Furthermore, the overlooking shapes of the two first-stage heat exchange tubes 10 are snakelike, and the snakelike first-stage heat exchange tubes 10 can prolong the contact time of cooling water and gas, so that better heat exchange can be realized.

Further, the front view shape of two install bin 11 bottoms all from top to bottom towards the incline of one side of carrying on the back mutually, and outlet 18 has all been seted up to one side that heat treatment furnace body 1 was kept away from to two install bins 11, because the water droplet of heat transfer condensation then can receive the gravity factor to fall into inside the install bin 11 from heat exchanger 12, the design can be so that the water under the condensation can be along the diapire of install bin 11 slope and pass through outlet 18 and flow out install bin 11.

Further, two arcs 19 of fixedly connected with on the interior diapire of heat dissipation case 3, two arcs 19 are located two 6 one sides that back on the back of the body mutually that separate the board respectively, and the orthographic shape of two arcs 19 is by supreme one side bending of keeping away from baffle 6 down towards, and gas rises along arc 19 and contacts with metal sheet 8, and the design can be so that the hot-air that just got into can come the bottom of metal sheet 8 along with arc 19, avoids a large amount of high-temperature gas not just gushed into install bin 11 inside by the heat transfer.

Further, the top fixedly connected with of heat dissipation case 3 fills up 20, and the top of filling up 20 contacts with hydraulic rod 4 bottom, and sealed 20 can prevent that gas from gushing out from the place of hydraulic rod 4 with the contact of heat dissipation case 3, avoids causing the waste of resource also to avoid gas too high to cause the injury to staff on every side.

In the scheme, the type of the hydraulic push rod 4 can be DYTP-3000; the suction fan 7 may be of the type DF120W 220V.

The working principle is as follows: when heat is required to be released after a workpiece is treated, firstly, the hydraulic push rod 4 is electrified to work, the hydraulic push rod 4 drives the conjunction block 5 to separate from the upper part of the heat dissipation port 2, so that gas with a large amount of heat is enabled to flow into the heat dissipation box 3 from the heat dissipation port 2, then, the suction fan 7 is electrified to work, the suction fan 7 introduces the gas into the back part of the partition plate 6, then, cooling water is added into the primary heat exchange tube 10, the gas rises along the arc-shaped plate 19 and contacts with the metal plate 8, so as to exchange heat with the cooling water in the primary heat exchange tube 10, the heated water flows out along the water outlet pipe 16, the gas after primary heat exchange enters the installation box 11 and rises to the inside of the heat exchanger 12, secondary heat exchange is carried out with the secondary heat exchange tube 14 and the annular heat exchange sheet 17, the gas after heat exchange is lifted to the top part of the heat exchanger 12 and then is discharged from the exhaust hole 15, and, the hot gas can be discharged out of the installation box 11 through the water outlet 18, thereby solving the problem of large waste of the hot gas after the heat treatment in the prior art.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides a heat reclamation device for work piece heat treatment, includes heat treatment furnace body (1), its characterized in that: the heat treatment furnace comprises a heat treatment furnace body (1), wherein a heat dissipation port (2) is formed in the top of the heat treatment furnace body (1), a heat dissipation box (3) is fixedly connected to the top of the heat dissipation box (1), a hydraulic push rod (4) is fixedly mounted at the top of the heat dissipation box (3), the bottom end of the hydraulic push rod (4) penetrates through and extends into the heat dissipation box (3), a conjunction block (5) is fixedly connected to the bottom end of the hydraulic push rod (4), the conjunction block (5) is located in the heat dissipation port (2) and is in contact with the inner wall of the heat dissipation port (2), two partition plates (6) are fixedly connected to the inside of the heat dissipation box (3), the two partition plates (6) are respectively located on the left side and the right side of the hydraulic push rod (4), suction fans (7) are fixedly mounted on the opposite surfaces of the two partition plates (6), and metal plates (8) are fixedly connected to, one side of each of the two metal plates (8) which are opposite to each other is fixedly connected with the inner wall of the heat dissipation box (3), the top of each of the two metal plates (8) is provided with a groove (9), each of the two grooves (9) is internally and fixedly connected with a primary heat exchange tube (10), the left end and the right end of each of the two primary heat exchange tubes (10) are both penetrated through and extended to the top of the heat dissipation box (3), one adjacent end between the two primary heat exchange tubes (10) is fixedly connected with a water outlet tube (16) communicated with the two primary heat exchange tubes (10), the left side and the right side of the heat treatment furnace body (1) are both fixedly connected with installation boxes (11) communicated with the inside of the heat treatment furnace body, the top of each of the two installation boxes (11) is fixedly connected with a heat exchanger (12) respectively communicated with the two installation boxes (11), and, two the bottom of external water pipe (13) runs through two heat exchangers (12) and two install bins (11) respectively and extends to the bottom of two install bins (11), two equal fixedly connected with evenly distributed's second grade heat exchange tube (14) on external water pipe (13), second grade heat exchange tube (14) are located the inside of two heat exchangers (12) respectively, two evenly distributed's exhaust hole (15) are all seted up at the top of heat exchanger (12).

2. A heat recovery device for heat treatment of a workpiece according to claim 1, characterized in that: the secondary heat exchange tubes (14) are fixedly connected with annular heat exchange fins (17) which are arranged at equal intervals, and the annular heat exchange fins (17) are made of aluminum materials.

3. A heat recovery device for heat treatment of a workpiece according to claim 1, characterized in that: the two first-stage heat exchange tubes (10) are snake-shaped in top view.

4. A heat recovery device for heat treatment of a workpiece according to claim 1, characterized in that: the front view shape of the bottom of the two installation boxes (11) inclines from top to bottom towards one side back to back, and a water outlet (18) is formed in one side, away from the heat treatment furnace body (1), of each installation box (11).

5. A heat recovery device for heat treatment of a workpiece according to claim 1, characterized in that: fixedly connected with two arcs (19) on the interior diapire of heat dissipation case (3), two arc (19) are located two one side that baffle (6) carried on the back mutually respectively, two the orthographic shape of arc (19) is by supreme one side bending towards keeping away from baffle (6) down.

6. A heat recovery device for heat treatment of a workpiece according to claim 1, characterized in that: the top fixedly connected with sealed pad (20) of heat dissipation case (3), the top of sealed pad (20) contacts with hydraulic push rod (4) bottom.

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