CN207315609U - For recycling the air heater of residual heat of air compressor - Google Patents

Abstract

The utility model discloses the air heater for recycling residual heat of air compressor, it is related to energy-saving field, more particularly to a kind of heat reclaim unit, including heat exchanger, thermoregulative mechanism and rack, heat exchanger includes wind turbine, high-pressure air pipe and cooling tube, high-pressure air pipe is connected with the outlet side of air compressor machine, and cooling tube is equipped with air inlet pipe and air outlet pipe；Thermoregulative mechanism includes the first heating pipe, the second heating pipe and the cylinder being fixed in rack, hydraulic top, the first air pump, the second air pump, cylinder is divided into the first chamber and the second chamber by the piston in cylinder, the push rod of hydraulic top is fixedly connected with the piston of cylinder, and the first air pump and the second air pump are connected with the first chamber and the second chamber respectively；First heating pipe and the second heating pipe are fixedly connected with cylinder；Air outlet pipe is fixedly connected with cylinder.This programme can utilize the preheating heat gas in compressed gas, to reduce the consumption of the loss of heat and the energy.

Description

For recycling the air heater of residual heat of air compressor

Technical field

It the utility model is related to energy-saving field, and in particular to a kind of heat reclaim unit.

Background technology

Air compressor machine also known as air compressor, are a kind of equipment for compressed gas, are the main bodys in compressed air source unit, are pressures The pressure generator of contracting air, air compressor machine turn the mechanical energy of prime mover (being typically motor) during compressed gas Change gas pressure energy into.During compressed air, the volume of gas is compressed, and some mechanical can transform into gas Interior energy, raises the temperature of compressed gas.After compressed gas is discharged, the heat in gas can gradually scatter and disappear, this can make Into the waste of the energy, it is possible to a kind of device using heat in compressed gas is set, to reduce energy waste.And some ground Side needs to use hot-air, if the consumption of energy can undoubtedly be increased by being additionally carried out heating, so can utilize compressed gas at this time Internal heat is warmed oneself, to reduce energy expenditure.

In order to which using the heat in compressed gas, notification number is that the Chinese patent of CN202300934U discloses a kind of air The water heater of employing waste heat of compressor oil heat, includes host, oil tank separator, motor and petroleum pipeline, is provided with petroleum pipeline cold Heat exchanger；Cool-heat-exchanger has cold water inlet and hot water outlet.When in use, air compressor machine is opened, at refrigerator cold water inlet Cold water is passed through into cool-heat-exchanger, cold water is contacted with oil transportation pipe outer wall, and heat is first delivered to oil transportation pipe outer wall, is then passed to In cold water, the temperature rise of cold water becomes hot water, and then hot water is discharged from hot water exit.

Although this device can utilize compressor oil heat, since gas and oil separating plant is located at cool-heat-exchanger and sky Between press, so the pipeline where gas is without going past cool-heat-exchanger, therefore the heat in gas can not be recovered, so still So there is heat waste.Secondly, some places need hot-air, as that using the hot water heating air finally obtained heat can be made a large amount of Scatter and disappear, will also result in heat waste.In addition, when using the hot-air of waste-heat, temperature not phase that different places need Together, this hot water apparatus is not provided with the mechanism of adjustment temperature, identical from the hot water temperature of cool-heat-exchanger outflow, so being difficult to Adapt to different needs.

The content of the invention

The purpose of this utility model is to provide a kind of air heater of the waste-heat gas using in compressed gas.

To reach above-mentioned purpose, the technical solution of the utility model is：For recycling the air heater of residual heat of air compressor, Including heat exchanger, thermoregulative mechanism and rack, heat exchanger includes wind turbine, high-pressure air pipe and is coated on the cold of high-pressure air pipe periphery But manage, high-pressure air pipe is connected with the outlet side of air compressor machine, and cooling tube is equipped with air inlet pipe and air outlet pipe, and the outlet side of wind turbine is with going out Tracheae is fixedly connected and is connected with air outlet pipe, or the inlet end of wind turbine is fixedly connected with air inlet pipe and is connected with air inlet pipe；Adjust Warm mechanism includes the first heating pipe, the second heating pipe and the cylinder being fixed in rack, hydraulic top, the first air pump, the second air pump, Cylinder is divided into the first chamber and the second chamber by the piston in cylinder, and the push rod of hydraulic top is fixedly connected with the piston of cylinder, and first Air pump and the second air pump are connected with the first chamber and the second chamber respectively；First heating pipe and the second heating pipe are fixed with cylinder to be connected Connect, and connected respectively with the first chamber and the second chamber；Air outlet pipe is fixedly connected with cylinder, and is connected with cylinder inner cavity.

When air compressor machine works, wind turbine is opened, wind turbine makes gas in cooling tube to outlet Bottomhole pressure, extraneous cold air Constantly enter cooling tube from air inlet pipe.Gases at high pressure caused by air compressor machine work are by high-pressure air pipe, since cooling tube coats In high-pressure cylinder periphery, so the heat in gases at high pressure is first delivered to high-pressure air pipe side wall, then it is delivered to cold in cooling tube In air, air temperature rise is set to become hot-air, hot-air enters in cylinder from air outlet pipe.Then hydraulic top, liquid are opened The piston for the push rod pusher cylinder beared down on one is moved back and forth along cylinder sidewall.

When the piston of cylinder is moved to the first chamber, the second air pump is opened, and cold air is passed through to the second intracavitary；In cylinder When piston crosses air outlet pipe close to the end of cylinder one end, air outlet pipe is connected with the second chamber, and the hot-air in cooling tube enters the Two intracavitary, the cold air being sent into the second air pump mix, and heat exchange occurs for hot and cold air, eventually form more empty than the heat in air outlet pipe The low hot-air of temperature degree.When the piston of cylinder is to the second cylinder slide, closes the second air pump, open the first air pump, second The volume of chamber reduces, and the gas of the second intracavitary discharges the second chamber from the second heating pipe, gas be collected after leaving the second intracavitary and Use.When the piston of cylinder is slided to the first chamber, close the first air pump, open the second air pump, the gas of the first intracavitary is from the One heating pipe discharges the first chamber.So repeatedly, you can obtain the temperature hot-air lower than the hot-air in air outlet pipe.

When needing the hot-air of different temperatures, if desired for the hot-air of lower temperature, then the first air pump or are increased The power of two air pumps, the cold air that increase enters the first chamber either the second chamber are entering the hot-air of the first chamber or the second chamber In the case that amount is certain, more cold airs are added, the temperature of the gas finally obtained is lower.If desired for the heat of comparative high temperature Air, then reduce and be even switched off the first air pump either the second air pump reduces the cold air for entering the first chamber or the second chamber, most The gas temperature obtained afterwards is of a relatively high.

This programme has the beneficial effect that：(1) air outlet pipe is fixedly connected with cylinder, and is constantly slided with the piston of cylinder, Constantly either the second chamber connects to the first chamber or the second intracavitary and is passed through hot-air air outlet pipe with the first chamber, and the first air pump, Two air pumps are connected with the first chamber and the second chamber respectively, and are passed through cold air to the first chamber and the second intracavitary, and hot and cold air mixing can To obtain gas of the temperature less than hot-air in air outlet pipe, and control the amount for the cold air that air pump is passed through to adjust and finally obtain Gas temperature, realize the effect of gas temperature for changing and finally exporting.

(2) first air pumps and the second air pump are separate, and the exhaust process of the first chamber and the second chamber is also separate, institute The power of the first air pump either the second air pump can be individually adjusted so as to control the gas that the first chamber or the second chamber finally export Temperature, makes the gas temperature that the first chamber and the second chamber export different, it is possible to obtain the gas of two kinds of different temperatures.

(3) heat exchanger can cool down gases at high pressure, make heat transfer in gases at high pressure in cold air, Cold air is heated, then in the cold air using heating, scattering and disappearing for heat can be so reduced, save the energy.

(4) in whole work process, cold air directly is passed through into the hot-air being thermally formed by gases at high pressure, is made To in cold air, last hot-air is also used for heat transfer in hot-air, so the phenomenon of hot-air waste will not be produced, Avoid containing heat in discarded hot-air, further reduce heat waste.

Preferred solution one, is improved, the first heating pipe and the second heating pipe are located at respectively as to the further of base case Cylinder both ends, and be fixedly connected with side wall of the cylinder parallel to piston.At this time the piston of cylinder without going past the first heating pipe or The second heating pipe of person, so be not in the situation that two heating pipes are all connected with the first chamber or the second chamber, make the first chamber and The gas wind of second intracavitary can not discharged from the first heating pipe, the second heating pipe.

Preferred solution two, is improved, the first heating pipe and the second heating pipe include as to the further of preferred solution one The inner tube being fixedly connected with cylinder and the outer tube being fixed on outside inner tube, end of the inner tube away from cylinder one end is located in outer tube, interior The pressure release piston that can be slided along inner tube is equipped with pipe, pressure release piston is equipped with the L-shaped channel passed through for air, and is equipped with both ends The strut fixed respectively with the piston of pressure release piston and cylinder.Piston to the first chamber move when, promote with the first heating pipe in The strut that pressure release piston is fixed, then promotes the pressure release piston in the first heating pipe to slide, makes the pressure release piston from the first hot gas The inner pipe end of pipe skids off, and since outer tube is located at inner tube periphery, therefore outer tube diameter is more than inner tube, so outer tube wall can not be closed Passage, L-shaped channel connect the first chamber and the first heating pipe outer tube, and the gas of the first intracavitary is discharged from the first heating pipe.Gas While the piston of cylinder slides, the strut fixed with the pressure release piston in the second heating pipe is pulled, then makes the pressure release piston edge The inner tube of second heating pipe is slided to the second chamber, and L-shaped passage thereon is closed.When the piston reverses direction of cylinder is slided, make second The gas of intracavitary can discharge.In this way, when being passed through cold air in cavity of the air pump to side, the hot blast pipe of the side is closed, It can be discharged to avoid the cold air being passed through from hot blast pipe, also make that in the side chamber body more cold air can be preserved, finally obtain The lower gas of temperature.

Preferred solution three, is improved, air outlet pipe is away from cooling tube one end and cylinder as to the further of preferred solution two Portion is fixedly connected；The piston sliding speed of cylinder is identical.Interval time of the piston of cylinder Jing Guo air outlet pipe is identical, air outlet pipe with The first chamber time that either the second chamber connects is identical so the hot-air into the first chamber or the second chamber is identical.

Preferred solution four, is improved, the push rod periphery of hydraulic top is equipped with sealing ring, close as to the further of preferred solution three Seal ring is fixed on cylinder sidewall.Sealing ring can play sealing function, avoid the gas in the cavity of hydraulic top side Released between the push rod and cylinder sidewall of hydraulic top, avoid hot-air from scattering and disappearing, then avoid heat waste.

Preferred solution five, improves as to the further of preferred solution four, insulating layer is fixed with outside cylinder.Insulating layer can be with The heat for reducing the hot-air in cylinder scatters and disappears, and further avoids heat waste.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model embodiment；

Fig. 2 is the top view of cylinder in Fig. 1.

Embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description：

Reference numeral is：Rack 1, wind turbine 11, the second air pump 12, hydraulic top 13, high-pressure air pipe 2, cooling tube 3, air inlet pipe 31st, air outlet pipe 32, cylinder 4, the first chamber 41, the second chamber 42, push rod 43, sealing ring 44, strut 45, the second heating pipe 46, inner tube 47th, outer tube 48, pressure release piston 5, passage 51.

As shown in Figure 1, the air heater for recycling residual heat of air compressor, including heat exchanger, thermoregulative mechanism and rack 1, heat exchanger includes wind turbine 11, high-pressure air pipe 2 and the cooling tube 3 for being coated on 2 periphery of high-pressure air pipe, high-pressure air pipe 2 and pneumatics The outlet side of machine connects, and is located at 3 left end of cooling tube integrally formed with air inlet pipe 31, air inlet pipe 31 on cooling tube 3, wind turbine 11 uses spiral shell Bolt is fixed in rack 1, and the inlet end of wind turbine 11 is connected by pipeline with 3 right end of cooling tube, the outlet side of wind turbine 11 and outlet Pipe 32 is fixedly connected and is connected with air outlet pipe 32.

As shown in Fig. 2, thermoregulative mechanism includes the first heating pipe, the second heating pipe and cylinder 4, the liquid being welded in rack 1 Bear down on one the 13, first air pump, the second air pump 12, the piston of cylinder 4 by cylinder 4 be divided into top the first chamber 41 and lower section second Chamber 42, the push rod 43 of hydraulic top 13 runs through 4 downside side wall of cylinder, and is welded with the piston of cylinder 4, Hydraulic Cylinder cylinder 4 The speed of piston motion is identical；Sealing ring 44, periphery and 4 glue of cylinder of sealing ring 44 are arranged with the push rod 43 of hydraulic top 13 Connect.Positioned at cylinder, about 4 both sides respectively for first air pump and the second air pump 12, and are connected respectively with the first chamber 41 and the second chamber 42. First heating pipe and the second heating pipe are located at the top and bottom of cylinder 4 respectively, and are glued connection with cylinder 4, respectively with first Chamber 41 is connected with the second chamber 42.32 right end of air outlet pipe is connected with being glued in the middle part of 4 left side wall of cylinder with 4 inner cavity of cylinder.

First heating pipe and the second heating pipe including the inner tube 47 with 4 sidewall weld of cylinder and are welded on outside inner tube 47 Outer tube 48, end of the inner tube 47 away from 4 one end of cylinder is located in outer tube 48, and being equipped with inner tube 47 can let out along what inner tube 47 was slided Press piston 5, pressure release piston 5 is equipped with the L-shaped channel 51 passed through for air, and equipped with two both ends respectively with pressure release piston 5 The strut 45 welded with the piston of cylinder 4,4 lateral wall of cylinder, which is glued, insulating layer, and the material of insulating layer is bubble in the present embodiment Foam plastics.

When air compressor machine works, wind turbine 11 is opened, wind turbine 11 makes the gas in cooling tube 3 be flowed to cylinder 4, extraneous cold sky Gas constantly enters cooling tube 3 from air inlet pipe 31, and the gases at high pressure in high-pressure air pipe 2 are cooled down.Air compressor machine produces when working Gases at high pressure by high-pressure air pipe 2, the heat in gases at high pressure is gradually transferred in the cold air in cooling tube 3, makes cold sky The rise of temperature degree becomes hot-air, and hot-air enters in cylinder 4 from air outlet pipe 32.Then hydraulic top 13 is opened, hydraulic top 13 The piston of 43 pusher cylinder 4 of push rod is moved back and forth along 4 side wall of cylinder.

In the piston upward sliding of cylinder 4, the second air pump 12 is opened, and cold air is passed through into the second chamber 42, cylinder 4 Piston pulls the pressure release piston 5 of top to move, and makes the L-shaped passage 51 on the pressure release piston 5 by the inner tube 47 of the second heating pipe 46 Inner wall is closed.When the piston of cylinder 4 crosses air outlet pipe 32 close to the end of 4 one end of cylinder, air outlet pipe 32 connects with the second chamber 42 Logical, the hot-air in cooling tube 3 enters in the second chamber 42, and the cold air being sent into the second air pump 12 mixes, and eventually forms than going out The low hot-air of hot air temperature in tracheae 32.When the piston slide downward of cylinder 4, close the second air pump 12, open the One air pump, the piston of cylinder 4 promote the strut 45 of lower section, and the pressure release piston 5 being attached thereto is slided along the second heating pipe, and from interior Skidded off in pipe 47, L-shaped passage 51 is opened, and the gas in the second chamber 42 discharges the second chamber 42 from the second heating pipe, and gas leaves It is collected and uses after in second chamber 42.In the piston upward sliding of cylinder 4, close the first air pump, open the second air pump 12, Gas in first chamber 41 discharges the first chamber 41 from the first heating pipe.So repeatedly, you can obtain temperature than in air outlet pipe 32 The low hot-air of hot-air.

When needing the hot-air of different temperatures, if desired for the hot-air of lower temperature, then the first air pump or are increased The power of two air pumps 12, increase enter the first chamber 41 either the second chamber 42 cold air enter the first chamber 41 or the second chamber In the case that 42 quantity of hot air is certain, more cold airs are added, the temperature of the gas finally obtained is lower.If desired for relatively The hot-air of high-temperature, then reduce and be even switched off the first air pump either the second air pump 12 makes to enter the first chamber 41 or the second chamber 42 cold air is reduced, and the gas temperature finally obtained is of a relatively high.

Above-described is only the preferred embodiment of the utility model, it is noted that for those skilled in the art For, without departing from the concept of the premise utility, several modifications and improvements can also be made, these should also be considered as this The protection domain of utility model, these are all without the effect and practical applicability for influencing the utility model implementation.This practicality is new The technology, shape, construction part that type omits description are known technology.

Claims (6)

1. for recycling the air heater of residual heat of air compressor, it is characterised in that including heat exchanger, thermoregulative mechanism and rack, The heat exchanger includes wind turbine, high-pressure air pipe and the cooling tube for being coated on high-pressure air pipe periphery, the high-pressure air pipe and pneumatics The outlet side connection of machine, the cooling tube are equipped with air inlet pipe and air outlet pipe, and the outlet side of the wind turbine is fixed with air outlet pipe to be connected Connect and connected with air outlet pipe, or the inlet end of the wind turbine is fixedly connected with air inlet pipe and is connected with air inlet pipe；The temperature adjustment Mechanism includes the first heating pipe, the second heating pipe and the cylinder being fixed in rack, hydraulic top, the first air pump, the second air pump, institute Cylinder is divided into the first chamber and the second chamber by the piston stated in cylinder, and the push rod of the hydraulic top and the piston of cylinder, which are fixed, to be connected Connect, first air pump and the second air pump are connected with the first chamber and the second chamber respectively；First heating pipe and the second heating pipe It is fixedly connected with cylinder, and is connected respectively with the first chamber and the second chamber；The air outlet pipe is fixedly connected with cylinder, and and cylinder Inner cavity connects.

2. the air heater according to claim 1 for being used to recycle residual heat of air compressor, it is characterised in that first heat Tracheae and the second heating pipe are located at cylinder both ends respectively, and are fixedly connected with side wall of the cylinder parallel to piston.

3. the air heater according to claim 2 for being used to recycle residual heat of air compressor, it is characterised in that first heat Tracheae and the second heating pipe include the inner tube being fixedly connected with cylinder and the outer tube being fixed on outside inner tube, and said inner tube is away from gas The end of cylinder one end is located in outer tube, and the pressure release piston that can be slided along inner tube is equipped with said inner tube, is set on the pressure release piston There are the L-shaped channel passed through for air, and the strut fixed respectively with the piston of pressure release piston and cylinder equipped with both ends.

4. the air heater according to claim 3 for being used to recycle residual heat of air compressor, it is characterised in that the air outlet pipe It is fixedly connected away from cooling tube one end with cylinder middle section.

5. the air heater according to claim 4 for being used to recycle residual heat of air compressor, it is characterised in that the hydraulic top Push rod periphery be equipped with sealing ring, the sealing ring is fixed on cylinder sidewall.

6. the air heater according to claim 5 for being used to recycle residual heat of air compressor, it is characterised in that outside the cylinder It is fixed with insulating layer.