CN215633774U

CN215633774U - Screw compressor economizer

Info

Publication number: CN215633774U
Application number: CN202121923334.8U
Authority: CN
Inventors: 李泽龙; 刘建; 刘得阳
Original assignee: Hefei Shuteng Plastic Industry Co ltd
Current assignee: Hefei Shuteng Plastic Industry Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-01-25
Anticipated expiration: 2031-08-17

Abstract

The utility model is suitable for the technical field of screw compressors, and provides an energy-saving device of a screw compressor, which comprises an air compressor main body, a rotating shaft and an energy-saving water tank, wherein the rotating shaft and the energy-saving water tank are used for driving the air compressor main body to operate, a cylinder body is sleeved outside the air compressor main body, a plurality of energy-saving pipes are fixedly arranged outside the energy-saving water tank, an interlayer is arranged between the cylinder body and an outer shell of the air compressor main body, a piston cylinder is fixedly arranged outside the cylinder body and is communicated with the interlayer and the plurality of energy-saving pipes, a piston block is also arranged in the piston cylinder, the piston block reciprocates in the piston cylinder through a driving mechanism arranged on the air compressor main body, when the air compressor main body operates, heat energy generated by the air compressor main body enters the interlayer, the driving mechanism drives a piston plate to reciprocate in the piston cylinder to convey air containing heat in the interlayer to the plurality of energy-saving pipes, the energy-saving pipes are heated to heat water in the energy-saving water tank, therefore, the heat energy generated by the air compressor main body is recycled, and the energy-saving effect is finally achieved.

Description

Screw compressor economizer

Technical Field

The utility model relates to the technical field of screw air compressors, in particular to an energy-saving device of a screw air compressor.

Background

The screw air compressor adopts a pre-set configuration, the screw air compressor only needs single power supply connection and compressed air connection, and a cooling system is arranged in the screw air compressor, so that the installation work is greatly simplified. The screw air compressor consistently provides high-quality compressed air for various industries due to the advantages of high efficiency, no maintenance, high reliability and the like.

When the screw air compressor works, a large amount of heat energy can be generated on the shell of the air compressor, however, the waste heat is not fully utilized in the prior art, and the energy waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving device of a screw air compressor, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an energy-saving device of a screw air compressor comprises an air compressor main body, a rotating shaft and an energy-saving water tank, wherein the rotating shaft and the energy-saving water tank are used for driving the air compressor main body to operate, a barrel is sleeved outside the air compressor main body, a plurality of energy-saving pipes are fixedly arranged outside the energy-saving water tank, an interlayer is arranged between the barrel and an air compressor main body shell, an air inlet hole is formed in the barrel, a piston cylinder is fixedly arranged outside the barrel, the side surface of the piston cylinder is communicated with the interlayer through an air inlet pipe and is communicated with the plurality of energy-saving pipes through a flow dividing mechanism, a piston block is further arranged in the piston cylinder and reciprocates in the piston cylinder through a driving mechanism arranged on the air compressor main body, the driving mechanism comprises a push-pull rod, a connecting rod, a transmission shaft, a supporting plate and a rotating plate, one end of the push-pull rod is fixedly connected with the piston block, and the other end of the push-pull rod penetrates through the piston cylinder, the air compressor comprises an air compressor body, a plurality of supporting plates, a transmission shaft, a rotating disc, a driving rod, a push-pull rod and a connecting rod, wherein the supporting plates are arranged on one side of a shell of the air compressor body, the supporting plates are fixedly arranged on one side of the shell of the air compressor body, the transmission shaft is rotatably arranged on the supporting plates, the rotating disc is fixedly arranged on the transmission shaft, the driving rod is fixedly arranged at the eccentric position of the end face of the rotating disc, one end of the connecting rod is movably arranged on the driving rod, and the other end of the connecting rod is hinged to the push-pull rod.

As a further scheme of the utility model: the driving mechanism further comprises a gear set, one gear in the gear set is coaxially and fixedly connected with the transmission shaft, and the other gear is coaxially and fixedly connected with the rotating shaft.

As a further scheme of the utility model: the flow dividing mechanism comprises a flow dividing valve, a gas transmission main pipe and a plurality of gas transmission branch pipes, the flow dividing valve is fixedly arranged on the bottom surface of the energy-saving water tank and is communicated with the piston cylinder through the gas transmission main pipe, the number of the gas transmission branch pipes is the same as that of the energy-saving pipes, the lengths of the gas transmission branch pipes are the same, one ends of the gas transmission branch pipes are communicated with the gas outlet of the flow dividing valve, and the other ends of the gas transmission branch pipes are communicated with the energy-saving pipes.

As a further scheme of the utility model: the gas transmission main pipe and the energy-saving pipes are sleeved with heat-insulating sleeves.

As a further scheme of the utility model: and the gas transmission main pipe and the gas inlet pipe are both provided with one-way valves.

As a further scheme of the utility model: and a baffle mechanism is also arranged in the energy-saving pipe, and the baffle mechanism comprises a plurality of baffle plates which are arranged in the energy-saving pipe in a staggered manner.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, by arranging the energy-saving water tank, the piston cylinder, the piston block and the driving mechanism, when the air compressor main body operates, heat energy generated by the air compressor main body enters the interlayer, the driving shaft in the driving mechanism rotates to drive the turntable to rotate, and the piston block reciprocates in the piston cylinder through the matching of the deflector rod, the connecting rod and the push-pull rod, so that negative pressure is generated in the piston cylinder, air containing heat in the interlayer is conveyed into a plurality of energy-saving pipes through the air inlet pipe distributable mechanism, the water in the energy-saving water tank can be heated by the temperature rise of the energy-saving pipes, so that the heat energy generated by the air compressor main body is reused, and finally, the energy-saving effect is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an energy-saving device of a screw air compressor;

FIG. 2 is a partial sectional view of an energy-saving tube in an energy-saving device of a screw air compressor;

FIG. 3 is a perspective view of a shunting mechanism in an energy-saving device of a screw air compressor;

in the figure: 1-an air compressor main body, 2-a rotating shaft, 3-an energy-saving water tank, 4-a cylinder body, 5-an energy-saving pipe, 6-an interlayer, 7-an air inlet hole, 8-a piston cylinder, 9-a piston block, 10-a push-pull rod, 11-a connecting rod, 12-a transmission shaft, 13-a supporting plate, 14-a rotating disc, 15-a gear set, 16-a flow divider valve, 17-a gas transmission main pipe, 18-a gas transmission branch pipe, 19-a heat insulation sleeve, 20-a baffle plate and 21-a deflector rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-3, an energy-saving device for a screw air compressor comprises an air compressor main body 1, a rotating shaft 2 for driving the air compressor main body 1 to operate, and an energy-saving water tank 3, wherein a cylinder 4 is sleeved outside the air compressor main body 1, a plurality of energy-saving pipes 5 are fixedly arranged outside the energy-saving water tank 3, an interlayer 6 is arranged between the cylinder 4 and a shell of the air compressor main body 1, an air inlet 7 is arranged on the cylinder 4, a piston cylinder 8 is fixedly arranged outside the cylinder 4, the side surface of the piston cylinder 8 is communicated with the interlayer 6 through an air inlet pipe, the piston cylinder 8 is communicated with the plurality of energy-saving pipes 5 through a flow dividing mechanism, a piston block 9 is further arranged in the piston cylinder 8, the piston block 9 reciprocates in the piston cylinder 8 through a driving mechanism arranged on the air compressor main body 1, and the driving mechanism comprises a push-pull rod 10, a connecting rod 11, a transmission shaft 12, a pressure-reducing mechanism, a pressure reducing mechanism, and a pressure reducing mechanism, One end of the push-pull rod 10 is fixedly connected with the piston block 9, the other end of the push-pull rod penetrates the piston cylinder 8, a plurality of support plates 13 are arranged, the plurality of support plates 13 are fixedly arranged on one side of the shell of the air compressor main body 1, the transmission shaft 12 is rotatably arranged on the support plates 13, the rotary disc 14 is fixedly arranged on the transmission shaft 12, a shift lever 21 is fixedly arranged at the eccentric position of the end face of the rotary disc 14, one end of the connecting rod 11 is movably arranged on the shift lever 21, the other end of the connecting rod 11 is hinged with the push-pull rod 10, through the arrangement of the energy-saving water tank 3, the piston cylinder 8, the piston block 9 and the driving mechanism, when the air compressor main body 1 operates, heat energy generated by the air compressor main body 1 enters the interlayer 6, the transmission shaft 12 in the driving mechanism rotates to drive the rotary disc to rotate, and through the matching of the shift lever 21, the connecting rod 11 and the push-pull rod 10, make piston block 9 reciprocating motion in piston cylinder 8 to make the interior negative pressure that produces of piston cylinder 8, but contain thermal air transport to a plurality of economizer pipes 5 in with intermediate layer 6 through intake pipe reposition of redundant personnel mechanism, economizer pipe 5 intensifies and can heats energy-conserving water tank 3 internal water, thereby realizes the reuse of heat energy production to air compressor main part 1, has finally reached energy-conserving effect.

Further, actuating mechanism still includes gear train 15, in the gear train 15 a gear with the 12 coaxial fixed connection of transmission shaft, another gear and the 2 coaxial fixed connection of axis of rotation, gear train 15's setting, when the drive shaft drives air compressor machine main part 1 and operates, can drive the rotation of rotary disk 14 on the transmission shaft 12 simultaneously, need not to set up driving element in addition, has further improved this economizer's energy-conserving effect.

The flow dividing mechanism comprises a flow dividing valve 16, a gas transmission main pipe 17 and a plurality of gas transmission branch pipes 18, the flow dividing valve 16 is fixedly arranged on the bottom surface of the energy-saving water tank 3, the flow dividing valve 16 is communicated with the piston cylinder 8 through the gas transmission main pipe 17, the number of the gas transmission branch pipes 18 is the same as that of the energy-saving pipes 5, the length of the gas transmission branch pipes 18 is the same, one end of each gas transmission branch pipe 18 is communicated with a gas outlet of the flow dividing valve 16, the other end of each gas transmission branch pipe is communicated with the energy-saving pipe 5, and the piston cylinder 8 is used for uniformly distributing high-temperature gas in the interlayer 6 to the energy-saving pipes 5 through the flow dividing valve 16 and the gas transmission branch pipes 18, so that the gas introduced into the energy-saving pipes 5 is consistent, the phenomenon that the heat utilization is incomplete due to excessive gas introduced into the energy-saving pipes 5 is avoided, and the utilization rate of heat in the air is further improved.

In addition, the heat insulation sleeves 19 are sleeved outside the gas transmission main pipe 17 and the plurality of energy-saving pipes 5, and due to the arrangement of the heat insulation sleeves 19, the loss of heat of gas in the gas transmission main pipe 17 and the plurality of energy-saving pipes 5 is reduced, and the utilization rate of heat in the air is further improved.

In addition, check valves are arranged on the gas transmission main pipe 17 and the gas inlet pipe, and the check valves ensure that gas can only flow in a single direction, so that the phenomenon that the gas flows back to the piston cylinder 8 again is avoided.

Example 2

The embodiment is improved on the basis of embodiment 1, and specifically comprises the following steps:

the energy-saving pipe 5 is also internally provided with a baffle mechanism, the baffle mechanism comprises a plurality of baffle plates 20 which are arranged in the energy-saving pipe 5 in a staggered manner, and the residence time of air in the energy-saving pipe 5 is increased by arranging the plurality of baffle plates 20 which are arranged in the staggered manner, so that heat in the air can be more fully utilized, and the utilization rate of the heat in the air is further improved.

The working principle is as follows: when axis of rotation 2 drove the operation of air compressor machine main part 1, the heat energy that air compressor machine main part 1 produced enters into intermediate layer 6, and, transmission through gear train 15, make carousel 14 rotate on transmission shaft 12, carousel 14 rotates the in-process, through driving lever 21, the cooperation of connecting rod 11 and push-and-pull rod 10, make piston block 9 reciprocating motion in piston cylinder 8, thereby make the interior negative pressure that produces of piston cylinder 8, but contain thermal air transport to a plurality of energy-conserving pipes 5 in with intermediate layer 6 through intake pipe reposition of redundant personnel mechanism, the heating up of energy-conserving pipe 5 can heat energy-conserving water tank 3 internal water, thereby realize the reuse of heat energy production to air compressor machine main part 1, energy-conserving effect has finally been reached.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An energy-saving device of a screw air compressor comprises an air compressor main body (1), a rotating shaft (2) and an energy-saving water tank (3), wherein the rotating shaft (2) drives the air compressor main body (1) to operate, the energy-saving water tank (3) is sleeved outside the air compressor main body (1) and is fixedly provided with a plurality of energy-saving pipes (5), an interlayer (6) is arranged between the barrel (4) and a shell of the air compressor main body (1), an air inlet hole (7) is formed in the barrel (4), a piston cylinder (8) is fixedly arranged outside the barrel (4), the side surface of the piston cylinder (8) is communicated with the interlayer (6) through an air inlet pipe, the piston cylinder (8) is communicated with the energy-saving pipes (5) through a shunting mechanism, a piston block (9) is further arranged in the piston cylinder (8), and the piston block (9) reciprocates in the piston cylinder (8) through a driving mechanism arranged on the air compressor main body (1), the driving mechanism comprises a push-pull rod (10), a connecting rod (11), a transmission shaft (12), a supporting plate (13) and a rotating disc (14), one end of the push-pull rod (10) is fixedly connected with a piston block (9), the other end of the push-pull rod penetrates through a piston cylinder (8), the supporting plate (13) is provided with a plurality of supporting plates (13), the supporting plates (13) are fixedly arranged on one side of a shell of the air compressor main body (1), the transmission shaft (12) is rotatably arranged on the supporting plate (13), the rotating disc (14) is fixedly arranged on the transmission shaft (12), a shifting rod (21) is fixedly arranged at the eccentric position of the end face of the rotating disc (14), one end of the connecting rod (11) is movably arranged on the shifting rod (21), and the other end of the connecting rod is hinged to the push-pull rod (10).

2. The screw air compressor energy-saving device according to claim 1, wherein the driving mechanism further comprises a gear set (15), one gear of the gear set (15) is coaxially and fixedly connected with the transmission shaft (12), and the other gear is coaxially and fixedly connected with the rotating shaft (2).

3. The screw air compressor energy-saving device according to claim 1, wherein the flow dividing mechanism comprises a flow dividing valve (16), an air delivery main pipe (17) and a plurality of air delivery branch pipes (18), the flow dividing valve (16) is fixedly arranged on the bottom surface of the energy-saving water tank (3), the flow dividing valve (16) is communicated with the piston cylinder (8) through the air delivery main pipe (17), the number of the air delivery branch pipes (18) is the same as that of the energy-saving pipes (5), the length of the plurality of air delivery branch pipes (18) is the same, one end of each air delivery branch pipe (18) is communicated with an air outlet of the flow dividing valve (16), and the other end of each air delivery branch pipe is communicated with the energy-saving pipe (5).

4. The screw air compressor energy-saving device according to claim 3, wherein the gas transmission main pipe (17) and the plurality of energy-saving pipes (5) are sleeved with heat insulation sleeves (19).

5. The screw air compressor energy-saving device according to claim 4, wherein the gas delivery manifold (17) and the gas inlet pipe are both provided with one-way valves.

6. The screw air compressor economizer of claim 1, wherein a baffle mechanism is further arranged in the economizer pipe (5), and the baffle mechanism comprises a plurality of baffle plates (20) which are arranged in the economizer pipe (5) in a staggered manner.