阅读说明：本技术 一种氨制冷用中间冷却器 (Intermediate cooler for ammonia refrigeration ) 是由 江伟源 于 2021-07-23 设计创作，主要内容包括：本发明涉及氨制冷设备技术领域,且公开了一种氨制冷用中间冷却器,包括器体。该氨制冷用中间冷却器,通过密封气垫的设置,且与气囊配合,使得进气管在输送进压缩氨气时,能够带动扇叶一旋转,带动转套旋转,进而带动螺母旋转,在与进气管的螺纹配合下螺母下移,挤压气囊内气体进入密封气垫膨胀,密封气垫膨胀将浮球阀夹住固定,并与氨槽的内表面配合密封,使得浮球阀测量氨液多少是在进气管不注气时,即排气管进行排气时进行测量,有效防止进气管注气进入氨液内,导致氨液面晃动幅度大,浮球阀同样晃动,进行注液和放液,导致器体内氨液量变化,造成通过排气管进入下移步骤可能造成液击或压缩比大的问题,保证下一步骤工作稳定。(The invention relates to the technical field of ammonia refrigeration equipment, and discloses an intercooler for ammonia refrigeration, which comprises a cooler body. The intercooler for ammonia refrigeration is provided with the sealing air cushion and is matched with the air bag, so that the air inlet pipe can drive the fan blades to rotate when compressed ammonia is conveyed in, the rotating sleeve is driven to rotate, and the nut is further driven to rotate, the nut moves downwards under the matching of the thread of the air inlet pipe to extrude the air in the air bag to enter the sealing air cushion to expand, the sealing air cushion expands to clamp and fix the ball float valve, and is matched and sealed with the inner surface of the ammonia tank, so that the float valve can measure the amount of ammonia liquid when the gas inlet pipe does not inject gas, the exhaust pipe is measured when exhausting, effectively prevents that intake pipe gas injection from getting into in the ammoniacal liquor, leads to the ammoniacal liquor face to rock the range big, and the ball-cock assembly rocks equally, annotates liquid and tapping, leads to the internal ammoniacal liquor volume of ware to change, causes to get into through the exhaust pipe and moves down the step and probably cause the problem that liquid hits or compression ratio is big, guarantees next step job stabilization.)

1. An intercooler for ammonia refrigeration, includes a body (1), its characterized in that: the middle part fixed mounting at the top of the device body (1) is provided with an air inlet pipe (2), the bottom fixed mounting of the air inlet pipe (2) is provided with a distribution plate (3), the left top fixed mounting of the device body (1) is provided with an exhaust pipe (4), the bottom fixed mounting of the inner cavity of the device body (1) is provided with a cooling pipe (5), the bottom fixed mounting of the device body (1) is provided with an oil discharge valve (6), the right side of the device body (1) is provided with a ball float valve (7), a ball float of the ball float valve (7) floats on the surface of ammonia liquid, the lower part of the inner cavity of the device body (1) is fixedly provided with a liquid leakage groove (9), the liquid leakage groove (9) is deeply penetrated into the ammonia liquid and the bottom is provided with a liquid leakage groove (9) all around, the air inlet pipe (2) is deeply penetrated into the ammonia liquid in the ammonia groove (8), the outer surface of the lower part of the air inlet pipe (2) is fixedly provided with a support plate (10) above the ammonia liquid), the measuring device is characterized in that a sealing air cushion (11) is fixedly mounted on the lower surface of the support plate (10), a measuring hole (12) is formed in the right sides of the support plate (10) and the sealing air cushion (11), the measuring hole (12) is matched with a floating ball installed on a floating ball valve (7), a rotating sleeve (13) is movably sleeved on the outer surface of the air inlet pipe (2), a nut (14) is movably sleeved on the outer surface of the air inlet pipe (2) and located in an inner cavity of the rotating sleeve (13), an air bag (15) is placed below the nut (14) in the inner cavity of the rotating sleeve (13), a fan blade I (16) is movably sleeved on the inner cavity of the air inlet pipe (2), a bevel gear (17) is meshed with the bottom of the fan blade I (16), the bevel gear (17) is meshed with the inner surface of the rotating sleeve (13), and the air bag (15) is communicated with the sealing air cushion (11).

2. An intercooler for ammonia refrigeration according to claim 1, wherein: a first rotating sleeve (18) is movably sleeved on the outer ring of the upper surface of the support plate (10), a first screw plate (19) is integrally formed on the outer surface of the first rotating sleeve (18), the upper surface of the second rotating sleeve (20) is sheathed with the second rotating sleeve (20) in a way of matching with the measuring hole (12), a second screw plate (21) is fixedly arranged on the inner surface of the second rotating sleeve (20), the outer surface of the second rotating sleeve (20) is meshed with the rotating sleeve (13), a volute spiral spring (22) is fixedly sleeved on the outer surface of the top of the rotating sleeve (13), the outer surface of the volute spiral spring (22) is fixedly sleeved with a mounting sleeve (23), a transmission sleeve (24) is movably sleeved on the inner surface of the ammonia tank (8) and engaged with the first rotating sleeve (18), the left side of transmission cover (24) is engaged with driving gear (25), the top of driving gear (25) is stretched inside cover that blast pipe (4) is equipped with flabellum two (26).

3. An intercooler for ammonia refrigeration according to claim 1, wherein: the nut (14) is in threaded fit with the air inlet pipe (2) and is in up-and-down sliding fit with the rotary sleeve (13).

4. An intercooler for ammonia refrigeration according to claim 2, wherein: the air inlet pipe (2) is movably sleeved with the mounting sleeve (23).

5. An intercooler for ammonia refrigeration according to claim 2, wherein: the screw pitch of the first screw plate (19) and the second screw plate (21) is small at the top and large at the bottom.

Technical Field

The invention relates to the technical field of ammonia refrigeration equipment, in particular to an intercooler for ammonia refrigeration.

Background

The condensed water temperature is high in summer, the compressor exceeds the maximum compression ratio, and therefore a two-stage compression refrigeration system needs to be designed, an intercooler needs to be arranged between two compressors to completely cool the ammonia compressed by the low-pressure compressor, high-temperature gas exhausted by the low-pressure machine enters an air inlet pipe from the upper part, the air inlet pipe directly extends into the lower half part of the cylinder body and sinks in the ammonia liquid, an air distribution plate is installed at an outlet, the high-temperature gas is cooled in the ammonia liquid, the cross section is enlarged to reduce the flow speed, the flow direction is changed, the resistance and the washing effect of the ammonia liquid are realized, the ammonia gas is separated from the ammonia liquid and oil mist, the ammonia gas reversely moves upwards, the ammonia liquid and the oil droplets are still clamped and separated when passing through a porous umbrella-shaped baffle plate so as to be prevented from being sucked by the high-pressure machine, and the compressor is damaged by liquid impact.

The existing intercooler is in the use process, the liquid level of ammonia liquid is controlled through a ball float valve, high-pressure ammonia gas conveyed from a low-pressure compressor is directly conveyed into the ammonia liquid, the high-pressure ammonia gas is mixed in the ammonia liquid and flows upwards, the fluctuation of the liquid level of the ammonia liquid can be caused, the ball float valve is shaken, the ammonia liquid is conveyed or removed, the ammonia liquid amount is changed, when the ammonia liquid is changed, the liquid impact caused by the ammonia liquid contained in the liquid suction of the high-pressure compressor is reduced, the ammonia liquid cannot be sufficiently cooled, the working compression ratio of the high-pressure compressor is large, meanwhile, the separation of the ammonia liquid and oil stains in the existing ammonia gas is realized by utilizing a baffle to decelerate, and the separation effect is poor.

Disclosure of Invention

The invention provides an intercooler for ammonia refrigeration, which has the advantages of accurate liquid amount control of a floating ball valve, no influence of fluctuation of an inflation liquid level and good separation effect of ammonia liquid and oil stain in ammonia gas after cooling, and solves the problems of large influence of unstable inflation liquid level on the floating ball valve and poor separation effect of the ammonia liquid in the ammonia gas.

The invention provides the following technical scheme: an intercooler for ammonia refrigeration, includes the ware body, the middle part fixed mounting at ware body top has the intake pipe, the bottom fixed mounting of intake pipe has the distributing plate, the left top fixed mounting of ware body has the blast pipe, the bottom fixed mounting of ware body inner chamber has the cooling tube, the bottom fixed mounting of ware body has the oil drain valve, the ball-cock assembly is installed on the right side of ware body, the floater of ball-cock assembly floats on the ammoniacal liquor surface, the fixed cover of lower part of ware body inner chamber is equipped with the weeping groove, the weeping groove is gone deep into the ammoniacal liquor and has seted up the weeping groove all around to the bottom, the intake pipe is gone deep into in the ammoniacal liquor of ammoniacal liquor, the surface of intake pipe lower part just is located the top fixed mounting of ammoniacal liquor and is had the extension board, the lower surface fixed mounting of extension board has sealed air cushion, the measurement hole has been seted up with the right side of sealed air cushion, the measuring hole is matched with a floating ball installed on a floating ball valve, a rotating sleeve is movably sleeved on the outer surface of the air inlet pipe, a nut is movably sleeved on the outer surface of the air inlet pipe and located in an inner cavity of the rotating sleeve, an air bag is placed below the nut in the inner cavity of the rotating sleeve, a first fan blade is movably sleeved on the inner cavity of the air inlet pipe, a bevel gear is meshed with the bottom of the first fan blade, the bevel gear is meshed with the inner surface of the rotating sleeve, and the air bag is communicated with a sealing air cushion.

Preferably, the outer ring of the upper surface of the support plate is movably sleeved with a first rotating sleeve, a first screw plate is integrally formed on the outer surface of the first rotating sleeve, the upper surface of the second rotating sleeve is sleeved with a second rotating sleeve in a manner of matching with the measuring hole, a second screw plate is fixedly mounted on the inner surface of the second rotating sleeve, the outer surface of the second rotating sleeve is meshed with the rotating sleeve, a volute spiral spring is fixedly sleeved on the outer surface of the top of the rotating sleeve, a mounting sleeve is fixedly sleeved on the outer surface of the volute spiral spring, a transmission sleeve is movably sleeved on the inner surface of the ammonia tank in a manner of being meshed with the first rotating sleeve, a transmission gear is meshed with the left side of the transmission sleeve, and a second fan blade is sleeved on the top of the transmission gear, which extends into the exhaust pipe.

Preferably, the nut is sleeved with the air inlet pipe through threads and is sleeved with the rotary sleeve in a vertically sliding mode.

Preferably, the air inlet pipe is movably sleeved with the mounting sleeve.

Preferably, the pitch of the first screw plate and the pitch of the second screw plate are small at the top and large at the bottom.

The invention has the following beneficial effects:

1. the intercooler for ammonia refrigeration is arranged through the sealing air cushion and is matched with the air bag, so that when compressed ammonia gas is conveyed by the air inlet pipe, the fan blade can be driven to rotate to drive the rotating sleeve to rotate, the nut is driven to rotate, the nut moves downwards under the threaded fit with the air inlet pipe to extrude gas in the air bag to enter the sealing air cushion to expand, the sealing air cushion expands to clamp and fix the ball float valve and is matched and sealed with the inner surface of an ammonia tank, the ball float valve is used for measuring the amount of ammonia liquid when the air inlet pipe does not inject the gas, namely the exhaust pipe exhausts the gas, the gas injected by the air inlet pipe is effectively prevented from entering the ammonia liquid, the ammonia liquid level shaking amplitude is large, the ball float valve shakes similarly to inject and discharge the liquid, the ammonia liquid amount in the device body changes, the problem that the liquid impact or the compression ratio is large due to the fact that the gas enters the downward moving step through the exhaust pipe is solved, and the next step is ensured to work stability, meanwhile, gas injected into the ammonia liquid from the gas inlet pipe can be collected and pressurized on the lower surface of the sealing air cushion, the ammonia liquid and oil stains contained in the pressurized gas can be collected and enlarged, the gas is easy to separate, and the cleanliness of the gas discharged into the exhaust pipe is improved.

2. This intercooler for ammonia refrigeration, big end down through the inflation sealing effect of sealed air cushion and the screw pitch of spiral shell board one and spiral shell board two, the ammonia of following the intake pipe exhaust gathers the pressurization at the lower surface of sealed air cushion, ammonia liquid and oil mist gather into the large granule in the ammonia, easy separation, under the rotation effect, make the intake pipe when not injecting gas, the scroll spring drives the swivel sleeve reversal, the nut shifts up, make sealed air cushion relax, gas upwards flows out from the gap, when spiral shell board one and spiral shell board two, the ammonia of releasing the sealed air cushion lower surface is carried out the pressurization stirring, during the pressurization, liquid and oil mist in the ammonia assemble the grow, easier separation, the stirring makes the ammonia breakage more abundant with swivel sleeve two and ammonia groove surface contact, further improve ammonia liquid and the greasy dirt scavenging action of carrying in the ammonia, guarantee the ammonia cleanliness of discharge.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a body; 2. an air inlet pipe; 3. a distribution plate; 4. an exhaust pipe; 5. a cooling tube; 6. an oil discharge valve; 7. a float valve; 8. an ammonia tank; 9. a liquid leakage groove; 10. a support plate; 11. sealing the air cushion; 12. measuring a hole; 13. rotating the sleeve; 14. a nut; 15. an air bag; 16. a first fan blade; 17. conical teeth; 18. rotating the sleeve I; 19. a first screw plate; 20. rotating a sleeve II; 21. a second screw plate; 22. a volute spiral spring; 23. installing a sleeve; 24. a transmission sleeve; 25. a transmission gear; 26. and a second fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an intercooler for ammonia refrigeration comprises a device body 1, a gas inlet pipe 2 is fixedly installed in the middle of the top of the device body 1, a distribution plate 3 is fixedly installed at the bottom of the gas inlet pipe 2, an exhaust pipe 4 is fixedly installed at the top of the left side of the device body 1, a cooling pipe 5 is fixedly installed at the bottom of the inner cavity of the device body 1, an oil discharge valve 6 is fixedly installed at the bottom of the device body 1, a ball float valve 7 is installed at the right side of the device body 1, a floating ball of the ball float valve 7 floats on the surface of ammonia liquid, a liquid leakage groove 9 is fixedly installed at the lower part of the inner cavity of the device body 1, the liquid leakage groove 9 extends into the ammonia liquid, the liquid leakage groove 9 is opened at the periphery of the bottom, the gas inlet pipe 2 extends into the ammonia liquid in an ammonia tank 8, a support plate 10 is fixedly installed at the outer surface of the lower part of the gas inlet pipe 2 and positioned above the ammonia liquid, a sealing air cushion 11 is fixedly installed at the lower surface of the support plate 10, a measuring hole 12 is opened at the right side of the support plate 10 and the sealing air cushion 11, the measuring hole 12 is matched with a floating ball arranged on the floating ball valve 7, so that the ammonia liquid amount of the equipment is controlled by the height change of the floating ball in the floating ball valve 7 in the use process, the equipment can ensure the stability of the ammonia liquid amount in the equipment, the outer surface of the air inlet pipe 2 is movably sleeved with a rotating sleeve 13, the outer surface of the air inlet pipe 2 and the inner cavity of the rotating sleeve 13 are movably sleeved with a nut 14, the nut 14 is in threaded sleeve with the air inlet pipe 2 and is in up-and-down sliding sleeve fit with the rotating sleeve 13, so that the nut 14 can be driven to rotate when the rotating sleeve 13 is driven to rotate by a fan blade 16, the rotating nut 14 is in downward rotation after being matched with the air inlet pipe 2 and can extrude the air bag 15, the air in the air bag 15 is pressed into the sealing air cushion 11, the sealing air cushion 11 is expanded to clamp and fix the floating ball valve 7 and is matched and sealed with the inner surface of the ammonia tank 8, the inner cavity of the rotating sleeve 13 and the lower part of the nut 14 is provided with the air bag 15, the inner cavity of the air inlet pipe 2 is movably sleeved with a fan blade I16, the bottom of the fan blade I16 is meshed with a bevel gear 17, the bevel gear 17 is meshed with the inner surface of a rotating sleeve 13, an air bag 15 is communicated with a sealing air cushion 11, the air bag is arranged through the sealing air cushion 11 and is matched with the air bag 15, so that the air inlet pipe 2 can drive the fan blade I16 to rotate when compressed ammonia is conveyed, the rotating sleeve 13 is driven to rotate, a nut 14 is driven to rotate, the nut 14 moves downwards under the threaded matching of the air inlet pipe 2, the air in the air bag 15 is extruded to enter the sealing air cushion 11 to expand, the sealing air cushion 11 expands to clamp and fix a ball float valve 7 and is matched and sealed with the inner surface of an ammonia tank 8, the ball float valve 7 is used for measuring the amount of ammonia liquid when the air inlet pipe 2 does not inject air, namely, the exhaust pipe 4 exhausts air, the air is effectively prevented from entering the ammonia liquid when the air inlet pipe 2 injects air, the ammonia liquid level is large in shaking range, and the ball float valve 7 is also shaken, liquid injection and liquid discharge are carried out, the amount of ammonia liquid in the device body 1 is changed, the problem that liquid impact or compression ratio is possibly large when the device enters a downward moving step through the exhaust pipe 4 is caused, the work stability of the next step is ensured, meanwhile, gas injected into the ammonia liquid from the air inlet pipe 2 can be collected and pressurized on the lower surface of the sealing air cushion 11, the ammonia liquid and oil dirt contained in the pressurized gas can be collected and increased, the gas is easy to separate, and the cleanliness of the gas discharged into the exhaust pipe 4 is improved, a first rotating sleeve 18 is movably sleeved on the outer ring of the upper surface of the support plate 10, a first screw plate 19 is integrally formed on the outer surface of the first rotating sleeve 18, a second rotating sleeve 20 is sleeved on the upper surface of the second rotating sleeve 20 and matched with the measuring hole 12, a second screw plate 21 is fixedly installed on the inner surface of the second rotating sleeve 20, the outer surface of the second rotating sleeve 20 is meshed with the rotating sleeve 13, a volute spring 22 is fixedly installed on the outer surface of the top of the rotating sleeve 13, and an installation sleeve 23 is fixedly installed on the outer surface of the volute spring 22, the air inlet pipe 2 is movably sleeved with the mounting sleeve 23, so that the rotating sleeve 13 is driven by the fan blade I16 to rotate, the nut 14 can be driven to return and drive the rotating sleeve II 20 to rotate after the nut 14 moves downwards to compress the air bag 15, after the air inlet pipe 2 does not inject air, the rotating sleeve 13 can be driven to rotate reversely under the restoring action of the spiral spring 22, the nut 14 can be driven to return, the rotating sleeve II 20 can be driven to rotate, the inner surface of the ammonia tank 8 is movably sleeved with the driving sleeve 24 in a meshing manner with the rotating sleeve I18, the left side of the driving sleeve 24 is meshed with the driving teeth 25, the top of the driving teeth 25 extends into the exhaust pipe 4 and is sleeved with the fan blade II 26, the screw pitches of the spiral plate I19 and the spiral plate II 21 are small at the top and large at the bottom, so that when the air inlet pipe 2 does not inject air, the spiral spring 22 drives the rotating sleeve 13 to rotate reversely, the nut 14 moves upwards to loosen the sealing air cushion 11, the air flows out upwards from the gap, and the ammonia released from the lower surface of the sealing air cushion 11 is pressurized and stirred when the spiral plate I19 and the spiral plate II 21, during the pressurization, liquid and oil mist in the ammonia assemble the grow, separate more easily, and the stirring makes the ammonia breakage more abundant with two 20 and the 8 surface contact of rotating sleeve, further improves the ammonia liquid and the greasy dirt scavenging action of carrying in the ammonia, guarantees the cleanliness of the ammonia of discharging.

The working principle of the intercooler of the invention is as follows:

under the work of a last-stage compressor, ammonia gas is compressed to enter an air inlet pipe 2 and is introduced into ammonia liquid in an ammonia groove 8, the gas is divided into fine bubbles by a distribution plate 3, the compressed ammonia gas introduced into the air inlet pipe 2 can drive a fan blade I16 to rotate, a rotating sleeve 13 is driven to rotate through the transmission of a bevel gear 17, the rotating sleeve 13 drives a nut 14 to rotate and move downwards, a compression air bag 15 injects the gas into a sealing air cushion 11, the sealing air cushion 11 expands to clamp a floating ball of a floating ball valve 7 and seal a gap between a support plate 10 and the ammonia groove 8, the ammonia gas filled into the ammonia liquid rises to be accumulated on the lower surface of the sealing air cushion 11, then the ammonia liquid is pressed downwards through pressurization, when the air inlet pipe 2 is not injected with the ammonia gas any more and the exhaust pipe 4 exhausts the ammonia gas, the rotating sleeve 13 rotates backwards under the action of a volute spring 22 to drive the nut 14 to move upwards, the sealing air cushion 11 retracts to open the gap, and the exhaust pipe 4 exhausts the ammonia liquid into a device body 1 under the action of the compressor, the second fan blade 26 drives the first rotating sleeve 18 to rotate, the second rotating sleeve 13 rotates reversely to drive the second rotating sleeve 20 to rotate, ammonia gas below the sealing air cushion 11 is upwards discharged from the first screw plate 19 and the second screw plate 21 and is compressed and cut by the first screw plate and the second screw plate, ammonia liquid and oil stains are separated out and are discharged from the exhaust pipe 4, and cooling ammonia liquid outside the ammonia tank 8 enters the ammonia tank 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.