Energy-saving type wax liquid heat preservation and storage device

Abstract

The utility model discloses an energy-saving wax liquid heat preservation and storage device which comprises an outer shell, an inner shell is fixed in the outer shell, a fluid cavity is formed between the outer shell and the inner shell, conical hoppers are integrally formed at the bottoms of the outer shell and the inner shell, a water outlet pipe is welded to the outer wall of the conical hopper at the bottom of the outer shell, and a water inlet pipe is welded to the outer wall of the top of the outer shell. The water inlet pipe and the water outlet pipe communicate with the fluid cavity. According to the utility model, the fluid cavity is arranged between the outer shell and the inner shell, and hot water for heat recovery can flow into the fluid cavity, so that the effect of carrying out heat preservation on the wax liquid by utilizing the recovered heat can be realized, and the effect of saving more energy when the wax liquid is stored is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting, in particular to an energy-saving wax liquid heat preservation storage device. Background Art

[0002] Wax injection machines are mostly used in precision casting. The basic shape of the product is first expressed with wax through the wax injection machine, and then the shell is made, dewaxed, and finally molten iron is poured to form the product shape blank. During casting, the wax liquid needs to be kept warm to prevent the wax liquid from solidifying.

[0003] Chinese patent application No. 202023261059.6 discloses a wax storage box for a wax injection machine, comprising a box body; a heat-conducting layer is provided on all four sides of the inner wall of the box, and a resistance wire is provided in the heat-conducting layer, and the material of the heat-conducting layer is heat-conducting silicone. In the above patent, when storing the wax liquid, the wax liquid is kept warm by heating it with a resistance wire. It cannot be kept warm by the recovered heat of the casting process, which results in the storage of the wax liquid being not energy-efficient enough. Therefore, it is urgent to design an energy-saving wax liquid insulation storage device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an energy-saving wax liquid heat preservation storage device to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] An energy-saving wax liquid insulation storage device includes an outer shell, an inner shell is fixed inside the outer shell, a fluid cavity is provided between the outer shell and the inner shell, the bottom of the outer shell and the inner shell are integrally formed with a conical bucket, the outer wall of the conical bucket at the bottom of the outer shell is welded with a water outlet pipe, the top outer wall of the outer shell is welded with a water inlet pipe, the water inlet pipe and the water outlet pipe are both connected to the fluid cavity, the top outer wall of the inner shell is fixed with an air inlet pipe connected to the inner shell, one end of the air inlet pipe is connected to a switch valve, an air pump is provided on one side of the outer shell, and the air outlet of the air pump is connected to the switch valve through a pipe.

[0007] Furthermore, a temperature sensor extending into the fluid cavity is embedded in the outer wall of the shell, an insulation layer is provided on the outer wall of the shell, a display module is fixed on the outer wall of the insulation layer, and the display module is electrically connected to the temperature sensor through a wire.

[0008] Furthermore, a sealing cover is provided on the top of the inner shell, a liquid outlet pipe is connected to the bottom of the conical bucket of the inner shell, a safety valve is fixed to the top outer wall of the sealing cover, and a pressure gauge is fixed to the top of the air inlet pipe.

[0009] Furthermore, a connecting plate is fixed to the top outer wall of the sealing cover, a connecting groove is provided on the top of the connecting plate, a screw is hinged on the top outer wall of the shell, a locking nut is connected to the external thread of the screw, and the locking nut is located on the top of the connecting plate.

[0010] Furthermore, a fixing ring is fixed to the top inner wall of the inner shell, a conical surface is provided inside the fixing ring, and a conical body adapted to the conical surface is fixed to the bottom outer wall of the sealing cover.

[0011] Furthermore, a sealing gasket is fixed to the bottom of the sealing cover, and the sealing gasket is located between the sealing cover and the inner shell.

[0012] In the above technical scheme, the utility model provides an energy-saving wax liquid insulation storage device, which has the following beneficial effects: by setting a fluid cavity between the outer shell and the inner shell, hot water for heat recovery can flow into the fluid cavity, thereby achieving the effect of using the recovered heat to insulate the wax liquid, making the wax liquid more energy-efficient when stored; compressed air is filled into the interior of the inner shell by the set air pump, so that the wax liquid can flow out by the pressure of the air, thereby making the outflow of the wax liquid more continuous, which is beneficial to improving the quality of investment casting; the set insulation layer can insulate the outer shell to prevent heat from dissipating quickly, and the temperature sensor can be used to easily detect the water temperature inside the fluid cavity, and it can be displayed through the display module, so that when the water temperature is low, it is convenient to release it in time and replace it with hotter water. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0014] Figure 1 The present invention provides a schematic cross-sectional structure diagram of an energy-saving wax liquid heat preservation storage device embodiment of the present invention.

[0015] Figure 2 A schematic diagram of the fluid chamber structure provided in an embodiment of an energy-saving wax liquid heat preservation storage device of the present utility model.

[0016] Figure 3 This is a schematic diagram of the connecting plate structure provided in an embodiment of an energy-saving wax liquid insulation storage device of the present utility model.

[0017] Figure 4 This is an enlarged structural schematic diagram of point A provided in an embodiment of an energy-saving wax liquid insulation storage device of the present invention.

[0018] Description of reference numerals:

[0019] 1 Outer shell, 2 Inner shell, 3 Fluid cavity, 4 Liquid outlet pipe, 5 Water inlet pipe, 6 Water outlet pipe, 7 Conical bucket, 8 Insulation layer, 9 Inlet pipe, 10 Switch valve, 11 Air pump, 12 Pressure gauge, 13 Sealing cover, 14 Conical body, 15 Connecting plate, 16 Connecting groove, 17 Screw, 18 Locking nut, 19 Display module, 20 Temperature sensor, 21 Fixing ring, 22 Conical surface, 23 Sealing gasket, 24 Safety valve. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-4 As shown, an energy-saving wax liquid insulation storage device provided by an embodiment of the present invention includes an outer shell 1, an inner shell 2 is fixed inside the outer shell 1, a fluid cavity 3 is arranged between the outer shell 1 and the inner shell 2, and a conical bucket 7 is integrally formed at the bottom of the outer shell 1 and the inner shell 2. A water outlet pipe 6 is welded to the outer wall of the conical bucket 7 at the bottom of the outer shell 1, and a water inlet pipe 5 is welded to the top outer wall of the outer shell 1. The water inlet pipe 5 and the water outlet pipe 6 are both connected to the fluid cavity 3, and an air inlet pipe 9 connected to the inner shell 2 is fixed to the top outer wall of the inner shell 2, and one end of the air inlet pipe 9 is connected to a switch valve 10, and an air pump 11 is provided on one side of the outer shell 1, and the air outlet of the air pump 11 is connected to the switch valve 10 through a pipeline.

[0022] Specifically, in this embodiment, it includes an outer shell 1, an inner shell 2 is fixed inside the outer shell 1, the cross-sections of the inner shell 2 and the outer shell 1 are both concentric circles, and the outer shell 1 and the inner shell 2 are made of stainless steel. The wax liquid is stored in the inner shell 2, and a fluid cavity 3 is provided between the outer shell 1 and the inner shell 2. Hot water for waste heat recovery can flow into the fluid cavity 3. Since a higher temperature is required during the casting process, the temperature of the hot water for waste heat recovery is also higher. The bottoms of the outer shell 1 and the inner shell 2 are integrally formed with a conical bucket 7. The outer wall of the conical bucket 7 at the bottom of the outer shell 1 is welded with a water outlet pipe 6, one end of the water outlet pipe 6 is connected to a valve, and the top outer wall of the outer shell 1 is welded with a water inlet pipe 5. The water inlet pipe 5 It is connected to the hot water supply pipe, and the water inlet pipe 5 and the water outlet pipe 6 are both connected to the fluid cavity 3, so that hot water can flow from the water inlet pipe 5 into the fluid cavity 3. At the same time, the valve at the water outlet pipe 6 can be slightly opened, so that hot water can continuously flow into the fluid cavity 3, thereby keeping the wax liquid inside the inner shell 2 continuously insulated by the continuously flowing hot water. An air inlet pipe 9 connected to the inner shell 2 is fixed on the top outer wall of the inner shell 2, and one end of the air inlet pipe 9 is connected to the switch valve 10. An air pump 11 is provided on one side of the outer shell 1, and the air outlet of the air pump 11 is connected to the switch valve 10 through a pipe. When the switch valve 10 is opened, compressed air can be introduced into the interior of the inner shell 2 through the air pump 11.

[0023] The utility model provides an energy-saving wax liquid insulation storage device, which sets a fluid cavity 3 between the outer shell 1 and the inner shell 2. Hot water for waste heat recovery can flow into the fluid cavity 3, thereby achieving the effect of using the recovered waste heat to keep the wax liquid warm, making the storage of the wax liquid more energy-efficient.

[0024] In another embodiment provided by the present invention, a temperature sensor 20 extending into the interior of the fluid cavity 3 is embedded in the outer wall of the housing 1. The temperature sensor 20 is used to detect the temperature of the water inside the fluid cavity 3. The outer wall of the housing 1 is provided with an insulation layer 8. The insulation layer 8 provided can provide insulation for the housing 1 to prevent heat from dissipating quickly. A display module 19 is fixed to the outer wall of the insulation layer 8. The display module 19 is electrically connected to the temperature sensor 20 through a wire. The temperature sensor 20 can easily detect the water temperature inside the fluid cavity 3 and can be displayed through the display module 19. The line shows that when the water temperature is low, it is convenient to release it in time and then replace it with hotter water; a sealing cover 13 is provided on the top of the inner shell 2, and the bottom of the conical bucket 7 of the inner shell 2 is connected to the liquid outlet pipe 4, and the outer shell 1 of the liquid outlet pipe 4 and the conical bucket 7 at the bottom of the inner shell 2 are sealed and welded with the liquid outlet pipe 4, and the top of the liquid outlet pipe 4 is connected to the inside of the inner shell 2, so that the wax liquid inside the inner shell 2 can flow out from the liquid outlet pipe 4, and the bottom of the liquid outlet pipe 4 is also connected to a valve, so that the liquid outlet pipe 4 can be closed, and at the same time, the conical bucket 7 of the inner shell 2 can also be heated by hot water, so that the wax liquid flows out more dryly The top outer wall of the sealing cover 13 is fixed with a safety valve 24, which can timely release the pressure when the pressure inside the inner shell 2 is too high. The top of the intake pipe 9 is fixed with a pressure gauge 12, which can display the pressure value inside the inner shell 2; the top outer wall of the sealing cover 13 is fixed with a connecting plate 15, the number of connecting plates 15 is preferably 4, and the top of the connecting plate 15 is provided with a connecting groove 16. The top outer wall of the outer shell 1 is hinged with a screw 17, and the external thread of the screw 17 is connected to a locking nut 18. The locking nut 18 is located at the top of the connecting plate 15, which is convenient for tightening. By rotating the locking nut 18, the connecting plate 15 can be compressed, thereby making the sealing cover 13 in close contact with the top of the inner shell 2; a fixing ring 21 is fixed to the inner wall of the top of the inner shell 2, and a conical surface 22 is provided inside the fixing ring 21, and a conical body 14 that matches the conical surface 22 is fixed to the outer wall of the bottom of the sealing cover 13; a sealing gasket 23 is fixed to the bottom of the sealing cover 13, and the sealing gasket 23 is located between the sealing cover 13 and the inner shell 2. The sealing gasket 23, the conical surface 22 and the conical body 14 are used to achieve a better sealing effect between the sealing cover 13 and the inner shell 2.

[0025] Working principle: When in use, the sealing cover 13 is opened to allow the wax liquid to flow into the interior of the inner shell 2, and then the sealing cover 13 is covered on the top of the inner shell 2 so that the cone 14 cooperates with the conical surface 22 of the fixing ring 21, and then the screw 17 is rotated to the inside of the connecting groove 16 of the connecting plate 15, and the locking nut 18 is rotated so that the locking nut 18 presses the sealing cover 13 to achieve the effect of sealing the top entrance of the inner shell 2 by the sealing cover 13; then the hot water with recovered heat flows from the water inlet pipe 5 into the interior of the fluid cavity 3, so that the hot water inside the fluid cavity 3 can keep the wax liquid inside the inner shell 2 warm; when the wax liquid needs to be discharged, the valve at the bottom of the liquid outlet pipe 4 is opened, and compressed air is filled into the interior of the inner shell 2 through the air pump 11, so that the compressed air can press the wax liquid out of the liquid outlet pipe 4 through pressure.

[0026] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An energy-saving wax liquid heat preservation storage device, characterized in that: The invention comprises an outer shell (1), an inner shell (2) is fixed inside the outer shell (1), a fluid cavity (3) is provided between the outer shell (1) and the inner shell (2), a conical bucket (7) is integrally formed at the bottom of the outer shell (1) and the inner shell (2), a water outlet pipe (6) is welded to the outer wall of the conical bucket (7) at the bottom of the outer shell (1), a water inlet pipe (5) is welded to the top outer wall of the outer shell (1), the water inlet pipe (5) and the water outlet pipe (6) are both connected to the fluid cavity (3), an air inlet pipe (9) connected to the inner shell (2) is fixed to the top outer wall of the inner shell (2), one end of the air inlet pipe (9) is connected to a switch valve (10), an air pump (11) is provided on one side of the outer shell (1), and the air outlet of the air pump (11) is connected to the switch valve (10) through a pipeline.

2. The energy-saving wax liquid heat preservation storage device according to claim 1, characterized in that: A temperature sensor (20) extending into the interior of the fluid cavity (3) is embedded in the outer wall of the housing (1); a heat-insulating layer (8) is provided on the outer wall of the housing (1); a display module (19) is fixed to the outer wall of the heat-insulating layer (8); and the display module (19) is electrically connected to the temperature sensor (20) via a wire.

3. The energy-saving wax liquid heat preservation storage device according to claim 1, characterized in that: A sealing cover (13) is provided on the top of the inner shell (2), a liquid outlet pipe (4) is connected to the bottom of the conical bucket (7) of the inner shell (2), a safety valve (24) is fixed to the top outer wall of the sealing cover (13), and a pressure gauge (12) is fixed to the top of the air inlet pipe (9).

4. The energy-saving wax liquid heat preservation storage device according to claim 3, characterized in that: A connecting plate (15) is fixed to the top outer wall of the sealing cover (13), a connecting groove (16) is provided on the top of the connecting plate (15), a screw rod (17) is hinged to the top outer wall of the housing (1), and a locking nut (18) is connected to the external thread of the screw rod (17), and the locking nut (18) is located on the top of the connecting plate (15).

5. The energy-saving wax liquid heat preservation storage device according to claim 4, characterized in that: A fixing ring (21) is fixed to the top inner wall of the inner shell (2), a conical surface (22) is provided inside the fixing ring (21), and a conical body (14) adapted to the conical surface (22) is fixed to the bottom outer wall of the sealing cover (13).

6. The energy-saving wax liquid heat preservation storage device according to claim 4, characterized in that: A sealing gasket (23) is fixed to the bottom of the sealing cover (13), and the sealing gasket (23) is located between the sealing cover (13) and the inner shell (2).

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