Ammonia liquid separator
By adopting a centrifugal cylinder and motor-driven structure in the ammonia liquid separator, the lubricating oil mist in the ammonia gas is removed by centrifugal force, and the problem of lubricating oil mist in the prior art is solved, and the effect of preventing lubricating oil from entering the compressor is achieved.
Patent Information
- Application Number
- CN202422232410.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing ammonia-liquid separator cannot effectively remove lubricating oil mist, causing lubricating oil to enter the compressor to cause wet stroke and liquid strike.
An ammonia liquid separator is designed, using a centrifugal cylinder and a motor-driven structure. The lubricating oil mist in the ammonia gas is slapped on the inner wall of the centrifugal cylinder and flowed out through centrifugal force. The oil droplets are collected using vertical grooves and finally discharged from the outlet.
It effectively removes lubricating oil mist from ammonia, prevents lubricating oil from entering the compressor, and avoids wet stroke and liquid impact.
Smart Images

Figure CN223204581U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ammonia-liquid separation, in particular to an ammonia-liquid separator. Background Art
[0002] The ammonia-liquid separator is a device used in refrigeration systems. Its main function is to separate the ammonia liquid contained in the ammonia gas evaporated from the evaporator before it is sucked into the compressor to prevent the ammonia liquid from entering the compressor and causing wet stroke and liquid hammer. During the operation of the compressor, lubricating oil will be sucked into the compressor to lubricate moving parts and help dissipate heat. Due to the pressure and temperature conditions inside the compressor, the lubricating oil may be atomized into tiny oil droplets, which then mix with the ammonia gas to form oil mist.
[0003] A Chinese utility model with authorization publication number CN209893695U discloses an ammonia-liquid separation device, comprising a tank body, an air inlet provided on the lower sidewall of the tank body, a partition with an air lift cap disposed within the tank body, a downcomer disposed on the partition, an air outlet provided at the top of the tank body, a safety valve interface provided at the top of the tank body, and a liquid ammonia outlet provided at the bottom of the tank body. Gaseous ammonia entrained with liquid ammonia enters the tank body through the air inlet, undergoes initial gas-liquid separation via the air lift cap partition, and is then delivered through the air outlet to the inlet of the ammonia compressor. The separated liquid ammonia flows through the downcomer to the liquid ammonia outlet of the tank body for discharge. However, the prior art does not remove lubricating oil mist, so the following improvements are proposed. Utility Model Content
[0004] The utility model aims to provide an ammonia-liquid separator, which has the effect of removing lubricating oil mist.
[0005] The above technical purpose of the present utility model is achieved through the following technical solutions: an ammonia-liquid separator, comprising a tank body, the tank body is provided with a first air inlet pipe and an air outlet pipe, the bottom end of the tank body is provided with a liquid outlet, the bottom end of the tank body is rotatably provided with a centrifugal cylinder, the first air inlet pipe is connected to the centrifugal cylinder, the bottom end of the centrifugal cylinder is provided with an oil outlet and the top end is provided with an air outlet, and the tank body is installed with a motor for driving the centrifugal cylinder to rotate.
[0006] By adopting the above technical solution, a centrifugal cylinder is set up. When the centrifugal cylinder rotates rapidly under the drive of the motor, the ammonia gas is driven to rotate. The lubricating oil mist in the ammonia gas hits the inner wall of the centrifugal cylinder and flows down, and finally flows out through the oil outlet. The ammonia gas flows into the tank body from the air outlet and finally flows out from the air outlet pipe, thereby achieving the purpose of removing the lubricating oil in the ammonia gas.
[0007] The present invention is further configured as follows: a rotating shaft is provided at the bottom end of the centrifugal cylinder, the rotating shaft passes through the bottom end of the tank body, the motor is installed at the bottom end of the tank body, and the output end of the motor is connected to the rotating shaft.
[0008] By adopting the above technical solution, by setting a rotating shaft, the rotation of the motor drives the rotating shaft to rotate, the rotating shaft drives the centrifugal cylinder to rotate and drives the ammonia machine to rotate centrifugally, thereby achieving the purpose of centrifugal rotation of ammonia.
[0009] The utility model is further configured as follows: a support frame is provided in the tank body, a connecting sleeve is rotatably provided on the support frame, a second air inlet pipe is provided on the top of the centrifugal cylinder, the second air inlet pipe is connected to the connecting sleeve, and the first air inlet pipe is sleeved inside the second air inlet pipe.
[0010] By adopting the above technical solution and setting a support frame, the centrifugal cylinder rotates in the tank body under the drive of the motor, and the centrifugal cylinder drives the second air inlet pipe to rotate at the connecting sleeve. The first air inlet pipe sends ammonia into the centrifugal cylinder through the second air inlet pipe. The bracket can achieve the purpose of the centrifugal cylinder receiving ammonia while rotating.
[0011] The utility model is further configured as follows: the inner wall of the centrifugal cylinder is provided with a plurality of arc panels, and the arc panels are provided with air holes.
[0012] The present invention is further configured as follows: a plurality of vertical grooves are vertically opened on the side wall of the centrifugal cylinder.
[0013] By adopting the above technical solution and providing the vertical grooves, it is possible to achieve the purpose of oil droplets accumulating in the vertical grooves and then flowing from the vertical grooves to the bottom.
[0014] The present invention is further configured as follows: a first bearing is connected between the connecting sleeve and the second air intake pipe.
[0015] By adopting the above technical solution, the first air inlet pipe is stationary, and the second air inlet pipe rotates under the drive of the centrifugal cylinder, so that the first air inlet pipe can continuously introduce gas into the centrifugal cylinder when the centrifugal cylinder rotates.
[0016] The present invention is further configured as follows: a second bearing is connected between the rotating shaft and the tank body.
[0017] The present invention is further configured as follows: the outer ring of the second air intake pipe is provided with a connection groove for connecting to the first bearing.
[0018] The present invention is further configured as follows: the first bearing inner ring is provided with a clamping block, and the connecting groove is provided with a clamping groove for the clamping block to be embedded.
[0019] By adopting the above technical solution, by setting the slot and the block, the centrifugal cylinder drives the second air intake pipe to rotate when it rotates. The second air intake pipe rotates at the connecting sleeve and is sleeved inside the connecting sleeve. The rotation of the second air intake pipe drives the block through the slot to drive the inner ring of the first bearing to rotate.
[0020] The present invention is further configured as follows: the outer diameter of the first air intake pipe is smaller than the outer diameter of the second air intake pipe, and a third bearing is connected between the first air intake pipe and the second air intake pipe.
[0021] The beneficial effects of the utility model are as follows: the first air inlet pipe delivers ammonia into the centrifugal cylinder through the second air inlet pipe, the centrifugal cylinder drives the ammonia to rotate, the lubricating oil mist accumulates on the inner wall of the centrifugal cylinder under the action of centrifugal force, and flows down to the bottom end of the centrifugal cylinder along the vertical groove, the ammonia enters the tank body through the air outlet, and the ammonia finally flows out from the air outlet pipe. Compared with the existing technology, the lubricating oil mist in the ammonia can be filtered out, which has the effect of removing the lubricating oil mist. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.
[0025] Figure 3 yes Figure 2 Schematic diagram of the local structure at point I.
[0026] In the figure, 1. tank body; 11. first air inlet pipe; 12. air outlet pipe; 13. liquid outlet; 14. motor; 2. centrifugal cylinder; 21. oil outlet; 22. air outlet; 23. rotating shaft; 231. second bearing; 24. second air inlet pipe; 241. connecting groove; 2411. clamping groove; 242. third bearing; 25. arc panel; 251. air hole; 26. vertical groove; 3. support frame; 31. connecting sleeve; 32. first bearing; 321. clamping block. DETAILED DESCRIPTION
[0027] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.
[0028] Embodiment, an ammonia liquid separator, such as Figure 1-Figure 3As shown, it includes a tank body 1, a first air inlet pipe 11 and an air outlet pipe 12 are provided at the bottom of the tank body 1, a liquid outlet 13 is provided at the bottom end of the tank body 1, and a rotating shaft 23 is rotatably connected to the bottom end of the tank body 1. The rotating shaft 23 passes through the bottom surface of the tank body 1, and a second bearing 231 is connected between the rotating shaft 23 and the tank body 1. A motor 14 is installed on the outside of the bottom surface of the tank body 1, and the output end of the motor 14 is connected to the rotating shaft 23. The rotating shaft 23 is fixedly connected to the centrifugal cylinder 2, and a second air inlet pipe 24 is provided at the top of the centrifugal cylinder 2. A support frame 3 is provided in the tank body 1, and the support frame 3 is provided with a first bearing 32. The outer ring of the first bearing 32 is fixedly provided on the support frame 3. The second air inlet pipe 24 is provided with a connecting groove 241 for connecting the inner ring of the first bearing 32, the inner ring of the first bearing 32 is provided with a clamping block 321, and the outer ring of the second air inlet pipe 24 is provided with a clamping groove 2411 for embedding the clamping block 321.
[0029] Further, such as Figure 1-Figure 3 As shown, an air outlet 22 is provided at the top of the centrifugal cylinder 2, an oil outlet 21 is provided at the bottom end of the centrifugal cylinder 2, a plurality of arc panels 25 are provided on the inner ring of the centrifugal cylinder 2, a plurality of air holes 251 are opened on the arc panels 25, a plurality of vertical grooves 26 are provided on the inner wall of the centrifugal cylinder 2, the diameter of the first air inlet pipe 11 is smaller than the diameter of the second air inlet pipe 24, and a third bearing 242 is connected between the first air inlet pipe 11 and the second air inlet pipe 24.
[0030] Its working principle is as follows: ammonia is introduced into the tank body 1 from the first air inlet pipe 11, the motor 14 rotates to drive the centrifugal cylinder 2 to rotate, the first air inlet pipe 11 sends the ammonia into the centrifugal cylinder 2 through the second air inlet pipe 24, the centrifugal cylinder 2 rotates rapidly, and at the same time, the introduced gas is moved by the arc panel 25. Under the action of centrifugal force, the lubricating oil mist in the ammonia is brought to the inner wall of the centrifugal cylinder 2. After a long period of accumulation, the oil droplets flow down along the vertical groove 26 and flow out from the oil outlet 21, and finally flow out from the liquid outlet 13 together with the liquid ammonia for easy collection.
Claims
1. An ammonia-liquid separator, comprising a tank body (1), wherein the tank body (1) is provided with a first air inlet pipe (11) and an air outlet pipe (12), and a liquid outlet (13) is provided at the bottom end of the tank body (1), characterized in that: A centrifugal cylinder (2) is rotatably provided at the bottom end of the tank body (1), the first air inlet pipe (11) is connected to the centrifugal cylinder (2), an oil outlet (21) is provided at the bottom end of the centrifugal cylinder (2), and an air outlet (22) is provided at the top end thereof, and a motor (14) for driving the centrifugal cylinder (2) to rotate is installed at the tank body (1).
2. The ammonia-liquid separator according to claim 1, characterized in that: A rotating shaft (23) is provided at the bottom end of the centrifugal cylinder (2), and the rotating shaft (23) passes through the bottom end of the tank body (1). The motor (14) is installed at the bottom end of the tank body (1), and the output end of the motor (14) is connected to the rotating shaft (23).
3. The ammonia-liquid separator according to claim 2, characterized in that: A support frame (3) is provided in the tank body (1), and a connecting sleeve (31) is rotatably provided on the support frame (3). A second air inlet pipe (24) is provided at the top end of the centrifugal cylinder (2), and the second air inlet pipe (24) is connected to the connecting sleeve (31), and the first air inlet pipe (11) is sleeved inside the second air inlet pipe (24).
4. The ammonia-liquid separator according to claim 3, characterized in that: The inner wall of the centrifugal cylinder (2) is provided with a plurality of arc panels (25), and the arc panels (25) are provided with air holes (251).
5. The ammonia-liquid separator according to claim 4, characterized in that: A plurality of vertical grooves (26) are vertically formed on the side wall of the centrifugal cylinder (2).
6. The ammonia-liquid separator according to claim 5, characterized in that: A first bearing (32) is connected between the connecting sleeve (31) and the second air inlet pipe (24).
7. The ammonia-liquid separator according to claim 6, characterized in that: A second bearing (231) is connected between the rotating shaft (23) and the tank body (1).
8. The ammonia-liquid separator according to claim 7, characterized in that: The outer ring of the second air inlet pipe (24) is provided with a connection groove (241) for connecting the first bearing (32).
9. The ammonia-liquid separator according to claim 8, characterized in that: The inner ring of the first bearing (32) is provided with a clamping block (321), and the connecting groove (241) is provided with a clamping groove (2411) for the clamping block (321) to be embedded.
10. The ammonia-liquid separator according to claim 9, characterized in that: The outer diameter of the first air intake pipe (11) is smaller than the outer diameter of the second air intake pipe (24), and a third bearing (242) is connected between the first air intake pipe (11) and the second air intake pipe (24).
Citation Information
Patent Citations
Ammonia-liquid separation device
CN209893695U