Fuel oil heating device for underground carry-scraper

Abstract

The utility model belongs to the technical field of fuel oil heaters, and discloses a fuel oil heating device for an underground carry-scraper, which comprises a fuel oil tank and a heating mechanism, the heating mechanism comprises a heating mechanism, a water pump and a water tank which are communicated through a pipeline and form a cyclic heating waterway, the heating mechanism comprises a connecting part and a heating part, the connecting part penetrates through an oil filling port, and the heating part is arranged in the oil filling port. The connecting part comprises a first connecting part and a second connecting part, the heating part is arranged in the fuel oil tank in a penetrating mode, the heating part comprises a first semi-ring piece and a second semi-ring piece which define a hollow cylindrical structure, the first semi-ring piece and the second semi-ring piece are each provided with a hollow cavity, the top of the first semi-ring piece communicates with the first connecting part, and the top of the second semi-ring piece communicates with the second connecting part; the top of the second semi-ring piece is communicated with the second connecting part, connecting channels are formed in the bottoms of the first semi-ring piece and the second semi-ring piece, and the first semi-ring piece and the second semi-ring piece are each provided with a channel. The heating device is higher in safety, the fuel oil is heated in a hot water circulating mode, and heat transfer is even.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fuel heater technical field, especially relate to a fuel heating device for underground shovel truck. BACKGROUND

[0002] In the underground operation environment, the shovel truck and other engineering machinery usually need to start and run under low temperature conditions. Since the viscosity of fuel increases with the decrease of temperature, it will cause the fuel to be difficult to flow and atomize at low temperature, thereby affecting the start and performance of the engine. The existing fuel heating device is mostly to place the heating device directly in the fuel tank, which adopts the way of directly heating the fuel. This way has great safety hazards, and it is easy to cause local overheating of the fuel, affecting the fuel quality. SUMMARY

[0003] The utility model discloses a fuel heating device for underground shovel truck, which aims at solving the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0005] A fuel heating device for underground shovel truck, comprising a fuel tank and a heating mechanism, the fuel tank has an oil inlet, the heating mechanism comprises a heating mechanism, a water pump and a water tank connected by pipelines and forming a circulating heating water circuit, the heating mechanism comprises a connecting part and a heating part, the connecting part is provided in the oil inlet, the connecting part comprises a first connecting part and a second connecting part, the heating part is provided in the fuel tank, the heating part comprises a first half ring and a second half ring forming a hollow cylindrical structure, the first half ring and the second half ring both have a hollow cavity, the top of the first half ring is communicated with the first connecting part, the top of the second half ring is communicated with the second connecting part, the bottom of the first half ring and the second half ring is provided with a connecting channel, and the first half ring and the second half ring are both provided with a channel communicating the inside and outside of the heating part.

[0006] Further, the water tank is in the shape of n, comprising a main tank provided on the top of the fuel tank and a vice tank provided on both sides of the fuel tank, the bottoms of the two vice tanks are connected by a connecting pipe, a partition is arranged in the middle of the main tank, one side of the main tank is connected with the water pump and the water inlet of the heating mechanism in sequence through a pipeline, and the water outlet of the heating mechanism is communicated with the other side of the main tank.

[0007] Further, an electric heater is arranged in each of the main tanks on both sides of the partition.

[0008] Further, the first ring and the second ring are made of stainless steel.

[0009] Compared with the shortcomings and deficiencies of the prior art, the utility model has the following beneficial effects.

[0010] 1. The utility model discloses heating equipment is outside, namely setting up electric heater in the external water tank, and the hot water circulation is heated and flows into the heating part of heating mechanism and exchanges heat with fuel oil, compared with directly placing heating equipment in the fuel oil tank, the heating device of the utility model is higher, and the fuel oil is heated through the circulation of hot water, and the heat transfer is uniform, the hollow cylindrical structure that the first half ring piece and the second half ring piece constitute, cooperate with the passage, and it is favorable to the hot water and fuel oil can fully exchange heat, improve the heat transfer efficiency.

[0011] 2. The water tank adopts "n" shape structure, including main water tank and vice water tank, is heated from the inside and outside of fuel oil tank respectively, is favorable to improve the heating efficiency, and both sides main water tank is equipped with electric heater, along the water flow direction, can satisfy the inside heat exchange demand of fuel oil tank, and can satisfy the outside heat exchange demand of fuel oil heat exchange tank. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of heating device of embodiment 1 in the utility model.

[0013] Figure 2 It is Figure 1 the sectional structure diagram of A-A place in.

[0014] Figure 3 It is Figure 1 the sectional structure diagram of B-B place in.

[0015] Figure 4 It is the internal structure section view of connecting portion in the utility model.

[0016] Figure 5 It is the structure schematic diagram of heating device of embodiment 2 in the utility model.

[0017] In the drawing: 10, fuel oil tank;11, oil inlet;20, water pump;30, water tank;31, main water tank;32, vice water tank;33, connecting pipe;34, electric heater;40, heating mechanism;41, connecting portion;411, first connecting portion;412, second connecting portion;42, heating part;421, first half ring piece;422, second half ring piece;43, passage;44, connecting passage;45, water inlet;46, water outlet. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the following combines the drawing and embodiment, and further detailedly explains the utility model.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0019] Embodiment 1

[0020] With reference to Figure 1 The embodiment discloses a fuel heating device for a downhole shovel, comprising a heating mechanism 40, a water tank 30 and a water pump 20.

[0021] The water tank 30 is located outside the fuel tank 10 of the shovel, and an electric heater 34 is arranged in the water tank 30. The water tank 30, the water pump 20 and the water inlet 45 of the heating mechanism 40 are sequentially connected through pipelines, and the water outlet 46 of the heating mechanism 40 is connected with the water tank 30 through a pipeline to form a water circulation.

[0022] The electric heater 34 can be a tubular electric heater.

[0023] With reference to Figures 1-3 The heating mechanism 40 comprises a connecting portion 41 located at the top and a heating portion 42 located below the connecting portion 41. The connecting portion 41 is arranged at the oil inlet 11 of the fuel tank 10 (with reference to Figure 4 A partition is arranged in the connecting portion 41 to divide the connecting portion 41 into a first connecting portion 411 and a second connecting portion 412. The first connecting portion 411 is provided with the water inlet 45, and the second connecting portion 412 is provided with the water outlet 46. The heating portion 42 comprises a first half ring 421 and a second half ring 422 which are arranged to form a cylindrical structure. The first half ring 421 and the second half ring 422 have hollow cavities inside. The top of the first half ring 421 is in communication with the bottom of the first connecting portion 411, and the top of the second half ring 422 is in communication with the bottom of the second connecting portion 412. The bottom of the connecting portion between the first half ring 421 and the second half ring 422 is provided with a connecting channel 44 for connecting the first half ring 421 and the second half ring 422.

[0024] The first half ring 421 and the second half ring 422 are made of stainless steel.

[0025] With reference to Figure 1 And Figure 2 The first half ring 421 and the second half ring 422 are respectively provided with channels 43 for connecting the inside and the outside of the heating portion 42, and a plurality of channels 43 are uniformly arranged.

[0026] The working process of the fuel heating device for the downhole shovel of the embodiment is as follows:

[0027] Firstly, the heating mechanism 40 is installed to the fuel tank 10 of the shovel, so that the heating portion 42 of the heating mechanism 40 is located in the fuel tank 10.

[0028] Then, water is injected into the water tank 30, and the electric heater 34 and the water pump 20 are started, and the heated water flows into the heating mechanism 40 under the action of the water pump 20, and flows through the first connecting part 411, the first half ring part 421, the second half ring part 422 and the second connecting part 412 in sequence along the water inlet 45, and flows back to the water tank 30 through the pipeline along the water outlet 46 of the second connecting part 412, and the circulating water flow heats the fuel in the fuel tank 10 through the first half ring part 421 and the second half ring part 422. The uniformly distributed channels 43 on the first half ring part 421 and the second half ring part 422 are conducive to the efficiency of quickly heating the fuel.

[0029] Embodiment 2

[0030] This embodiment is a further improvement based on embodiment 1.

[0031] With reference to Figure 5 , this embodiment discloses a fuel heating device for a downhole shovel, the water tank 30 is in the shape of n as a whole, the water tank 30 includes a main water tank 31 arranged on the top of the fuel tank 10, and a side water tank 32 arranged on both sides of the fuel tank 10, the main water tank 31 is provided with an opening at the oil inlet 11 of the fuel tank 10, the water pump 20 is arranged above the main water tank 31, the main water tank 31 is provided with a partition plate along the center line position, so as to divide the main water tank 31 into two parts, one side of the main water tank 31 is communicated with the adjacent side water tank 32, and the other side of the main water tank 31 is communicated with the other side water tank 32, the bottom of the one side water tank 32 is provided with a connector, the bottom of the other side water tank 32 is provided with a connecting pipe 33, and the connecting pipe 33 is sealingly connected with the connector. The connecting pipe 33 is a heat preservation pipe.

[0032] The one side main water tank 31 is connected with the water pump 20 through a pipeline, the water pump 20 is connected with the water inlet 45 of the heating mechanism 40 through a pipeline, the water outlet 46 of the heating mechanism 40 is connected with the other side main water tank 31, and the two side main water tanks 31 are respectively provided with electric heaters 34.

[0033] The working principle of this embodiment is based on embodiment 1, and the specific description is as follows:

[0034] The water heated by the electric heater 34 in the one side main water tank 31 flows into the heating mechanism 40 under the action of the water pump 20, so as to enter the inside of the fuel tank 10 for heat exchange, the water heated by the heating mechanism 40 flows into the other side main water tank 31 through the water outlet 46, the electric heater 34 in the other side main water tank 31 heats the water in the water tank, and the water flows to the side water tank 32, the connecting pipe 33 and the other side water tank 32 in sequence, and then flows into the other side main water tank 31 along the outside of the fuel tank 10 for heat exchange. The inside and outside are heated synchronously, which is conducive to improving the heating efficiency of the fuel.

[0035] It should be noted that the model and specification of the water pump 20 and the electric heater 34 can be selected and installed from commercially available products according to the specification and size of the water tank 30 and the fuel tank 10, and the power supply mode of the water pump 20 and the electric heater 34 can be powered by the shovel loader or separately provided with a battery power supply.

[0036] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fuel heating device for an underground loader, comprising a fuel tank and a heating mechanism, wherein the fuel tank has a fuel inlet, characterized in that, The heating mechanism includes a heating element, a water pump, and a water tank that are connected by pipelines to form a circulating heating water circuit. The heating mechanism includes a connecting part and a heating part. The connecting part passes through the oil inlet and includes a first connecting part and a second connecting part. The heating part passes through the fuel tank. The heating part includes a first semi-ring and a second semi-ring that form a hollow cylindrical structure. Both the first and second semi-rings have hollow chambers. The top of the first semi-ring communicates with the first connecting part, and the top of the second semi-ring communicates with the second connecting part. The bottoms of the first and second semi-rings are provided with connecting channels. Both the first and second semi-rings are provided with channels connecting the inside and outside of the heating part.

2. The fuel oil heating device as described in claim 1, characterized in that, The water tank has an n-shaped structure and includes a main water tank located on top of the fuel tank and auxiliary water tanks located on both sides of the fuel tank. The bottoms of the two auxiliary water tanks are connected by connecting pipes. A partition is provided at the center line of the main water tank. One side of the main water tank is connected to the inlet of the water pump and the heating mechanism in sequence through pipes. The outlet of the heating mechanism is connected to the other side of the main water tank.

3. The fuel oil heating device as described in claim 2, characterized in that, Electric heaters are installed in the main water tanks on both sides of the partition.

4. The fuel oil heating device as described in claim 2, characterized in that, The first and second semi-ring components are made of stainless steel.

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