CN218439684U

CN218439684U - Crankcase for liquefied petroleum gas compressor

Info

Publication number: CN218439684U
Application number: CN202221107613.1U
Authority: CN
Inventors: 刘勇; 周春燕; 宋仁亮; 吴磊
Original assignee: Bengbu Mushang Compressor Manufacturing Co ltd
Current assignee: Bengbu Mushang Compressor Manufacturing Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2023-02-03
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a crankcase for liquefied petroleum gas compressor, including the crankcase main part, one side fixedly connected with suction pump of crankcase main part, fixed mounting has feed liquor pipe and drain pipe on the suction pump, the one end that the suction pump was kept away from to feed liquor pipe and drain pipe is linked together with the left and right sides fixed connection of crankcase main part and with the inside of crankcase main part respectively. Drive lubricating oil and circulate through feed liquor pipe and drain pipe, lubricating oil exchanges the heat with the pipe wall in circulation process, reach the effect diluted to the lubricating oil heating, lubricating oil after the heating gets into the internal dispersion heat dissipation capacity of crankcase main part, to the heating efficiency and the effect of the inside lubricating oil of crankcase main part, the outside formation circulation of crankcase main part can prevent to cause the hindrance to the operation of crankcase main part, structure scientific and reasonable satisfies the user demand of liquefied petroleum gas compressor under the low temperature environment.

Description

Crankcase for liquefied petroleum gas compressor

Technical Field

The utility model relates to a crankcase technical field specifically is a crankcase for liquefied petroleum gas compressor.

Background

The liquefied petroleum gas compressor is mainly used for conveying and pressurizing liquefied petroleum gas or gas with similar properties, so that the compressor is a key device of a liquefied gas station, an LPG automobile gas station and a mixed gas station, and is also an ideal device for pressurizing and recovering gas in chemical enterprises.

The compressor is often used in some cold regions, when the outside temperature is too low, the temperature of the lubricating oil in the crankcase may be too low, and when the compressor is started, the oil pressure does not reach the set value, and the compressor cannot be started at all. Although the existing manufacturers install an electric heater in the crankcase, the oil in the crankcase has high viscosity due to low temperature, so that the electric heater has a problem of low heating speed of the lubricating oil.

SUMMERY OF THE UTILITY MODEL

In view of the problems associated with the prior art, it is an object of the present invention to provide a crankcase for a liquefied petroleum gas compressor.

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

The utility model provides a crankcase for liquefied petroleum gas compressor, includes the crankcase main part, one side fixedly connected with suction pump of crankcase main part, fixed mounting has feed liquor pipe and drain pipe on the suction pump, the one end that the suction pump was kept away from to feed liquor pipe and drain pipe is linked together with the left and right sides fixed connection of crankcase main part and with the inside of crankcase main part respectively, equal spiral winding has the heating pipe on feed liquor pipe and the drain pipe.

As a further description of the above technical solution:

the equal fixed mounting in the left and right sides of crankcase main part has the hot plate, two the through-hole has all been seted up on the hot plate, the feed liquor pipe is located the inboard of two through-holes respectively with the junction of drain pipe and crankcase main part.

As a further description of the above technical solution:

the liquid inlet pipe and the liquid outlet pipe are both sleeved with a heat insulation pipe, and the heating pipe is located on the inner side of the heat insulation pipe.

As a further description of the above technical solution:

the left and right sides of crankcase main part all fixedly connected with heat insulation board, two the hot plate is located the inboard of two heat insulation boards respectively.

As a further description of the above technical solution:

the heat insulation pipe is an aluminum foil glass wool pipe.

As a further description of the above technical solution:

the heat insulation plate comprises a hard aluminum oxide layer and a glass wool layer, wherein the glass wool layer is positioned on the inner side of the hard aluminum oxide layer.

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

this scheme, the heating pipe circular telegram heaies up, on the pipe wall with heat transfer to feed liquor pipe and drain pipe, suction work through the suction pump, form negative pressure and pressure boost in the inside left and right sides of crankcase main part, circulate through feed liquor pipe and drain pipe from driving lubricated fluid, lubricated fluid and pipe wall exchange heat in the cyclic process, reach the effect of heating dilution to lubricated fluid, lubricating oil after the heating gets into the internal dispersion heat dissipation capacity of crankcase main part, heating efficiency and the effect to the inside lubricating oil of crankcase main part, outside formation circulation in the crankcase main part can prevent to cause the hindrance to the operation of crankcase main part, structure scientific and reasonable, satisfy fossil oil gas compressor's user demand under the low temperature environment.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the front sectional structure of the liquid inlet pipe of the present invention;

fig. 3 is a schematic view of the connection structure of the heating plate and the heat insulation plate of the present invention.

The reference numbers in the figures illustrate:

1. a crankcase body; 2. a suction pump; 3. a liquid inlet pipe; 4. a liquid outlet pipe; 5. heating a tube; 6. heating plates; 7. a heat insulation pipe; 8. a thermal insulation plate; 81. a hard alumina layer; 82. a glass wool layer.

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;

please refer to fig. 1-3, in the present invention, a crankcase for a liquefied petroleum gas compressor comprises a crankcase body 1, a suction pump 2 fixedly connected to one side of the crankcase body 1, a liquid inlet pipe 3 and a liquid outlet pipe 4 fixedly mounted on the suction pump 2, one end of the liquid inlet pipe 3 and one end of the liquid outlet pipe 4 far away from the suction pump 2 are respectively connected with the left and right sides of the crankcase body 1 and communicated with the inside of the crankcase body 1, and a heating pipe 5 is spirally wound on the liquid inlet pipe 3 and the liquid outlet pipe 4.

The utility model discloses in, the 5 circular telegrams of heating pipe heat up, with heat transfer to feed liquor pipe 3 and drain pipe 4 on the pipe wall, suction work through suction pump 2, form negative pressure and pressure boost in the inside left and right sides of crankcase main part 1, circulate through feed liquor pipe 3 and drain pipe 4 from driving lubricated fluid, lubrication fluid exchanges the heat with the pipe wall in the cyclic process, reach the effect diluted to the lubrication fluid heating, lubricating oil after the heating gets into the internal dispersion heat dissipation capacity of crankcase main part 1, heating efficiency and effect to 1 inside lubricating oil of crankcase main part, form the circulation in the outside of crankcase main part 1 and can prevent to cause the hindrance to 1 operations of crankcase main part, structure scientific and reasonable, satisfy fossil oil gas compressor's user demand under the low temperature environment.

Please refer to fig. 1 and fig. 3, wherein: the equal fixed mounting in the left and right sides of crankcase main part 1 has hot plate 6, has all seted up the through-hole on two hot plates 6, and feed liquor pipe 3 is located the inboard of two through-holes respectively with the junction of drain pipe 4 and crankcase main part 1.

The utility model discloses in, can preheat the partial lubricated fluid of junction of feed liquor pipe 3 and drain pipe 4 and crankcase main part 1 through hot plate 6, reduce the consistency of junction lubricating oil simultaneously, make things convenient for suction pump 2 to the suction cycle work of 1 inside fluid of crankcase main part.

Please refer to fig. 2, in which: the liquid inlet pipe 3 and the liquid outlet pipe 4 are both sleeved with a heat insulation pipe 7, the heat insulation pipe 7 is arranged on the inner side of the heat insulation pipe 7, and the heating pipe 5 is arranged on the inner side of the heat insulation pipe 7.

The utility model discloses in, can wrap up the heat that heating pipe 5 produced through thermal-insulated insulating tube 7, avoid the too much loss of heat, use more energy-concerving and environment-protective, improve heating pipe 5 simultaneously to the heating capacity of feed liquor pipe 3 and drain pipe 4, improve its heating effect.

Please refer to fig. 1 and fig. 2, wherein: the left and right sides of crankcase main part 1 all fixedly connected with insulation board 8, and two hot plates 6 are located the inboard of two insulation boards 8 respectively.

The utility model discloses in, can keep apart the heat that hot plate 6 produced with the external world through thermal insulation board 8, reduce thermal waste, can further strengthen the junction structure of feed liquor pipe 3 and drain pipe 4 and crankcase main part 1, improve reliability in utilization and security.

Please refer to fig. 2, in which: the heat insulation pipe 7 is an aluminum foil glass wool pipe.

The utility model discloses in, the cotton pipe of aluminium foil glass has high temperature resistant, thermal-insulated heat retaining effect, can effectually prevent thermal giving off, satisfies the user demand.

Please refer to fig. 3, in which: the thermal insulation plate 8 includes a hard alumina layer 81 and a glass wool layer 82, and the glass wool layer 82 is located inside the hard alumina layer 81.

In the utility model, the hard alumina layer 81 forms a shell, and the glass wool layer 82 is used for heat insulation.

The working principle is as follows: heating pipe 5 circular telegram intensifies, with heat transfer to on the pipe wall of feed liquor pipe 3 and drain pipe 4, suction work through suction pump 2, negative pressure and pressure boost are formed to the left and right sides in crankcase main part 1 inside, circulate through feed liquor pipe 3 and drain pipe 4 from driving lubricating oil, lubricating oil exchanges heat with the pipe wall in the cyclic process, reach the effect of heating dilution to lubricating oil, lubricating oil after the heating gets into the internal dispersion heat dissipation capacity of crankcase main part 1, to the heating efficiency and the effect of the inside lubricating oil of crankcase main part 1, form the circulation in the outside of crankcase main part 1 and can prevent to cause the hindrance to the operation of crankcase main part 1, and structure science and reasonable satisfies fossil oil gas compressor's user demand under the low temperature environment.

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 protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. A crankcase for a liquefied petroleum gas compressor, comprising a crankcase body (1), characterized in that: one side fixedly connected with suction pump (2) of crankcase main part (1), fixed mounting has feed liquor pipe (3) and drain pipe (4) on suction pump (2), the one end that suction pump (2) were kept away from in feed liquor pipe (3) and drain pipe (4) is linked together with the left and right sides fixed connection of crankcase main part (1) and with the inside of crankcase main part (1) respectively, equal spiral winding has heating pipe (5) on feed liquor pipe (3) and drain pipe (4).

2. A crankcase for a liquefied petroleum gas compressor as claimed in claim 1, wherein: the equal fixed mounting in the left and right sides of crankcase main part (1) has hot plate (6), two the through-hole has all been seted up on hot plate (6), feed liquor pipe (3) are located the inboard of two through-holes respectively with the junction of drain pipe (4) and crankcase main part (1).

3. A crankcase for a liquefied petroleum gas compressor as claimed in claim 1, wherein: the liquid inlet pipe (3) and the liquid outlet pipe (4) are both sleeved with a heat insulation pipe (7), the heat insulation pipe (7) is arranged, and the heating pipe (5) is located on the inner side of the heat insulation pipe (7).

4. A crankcase for a liquefied petroleum gas compressor as claimed in claim 2, wherein: the left side and the right side of the crankcase body (1) are fixedly connected with heat insulation plates (8), and the heating plates (6) are respectively located on the inner sides of the two heat insulation plates (8).

5. A crankcase for a liquefied petroleum gas compressor as claimed in claim 3, wherein: the heat insulation pipe (7) is an aluminum foil glass wool pipe.

6. A crankcase for a liquefied petroleum gas compressor as claimed in claim 4, wherein: the heat insulation plate (8) comprises a hard alumina layer (81) and a glass wool layer (82), wherein the glass wool layer (82) is positioned on the inner side of the hard alumina layer (81).