Refrigerant compression device for liquefied natural gas production
By employing casters and a lifting mechanism in the refrigerant compression unit for liquefied natural gas production, the problems of large size and heavy weight of the unit have been solved, enabling convenient movement and flexible deployment.
Patent Information
- Application Number
- CN202520799994.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-04-25
AI Technical Summary
Existing refrigerant compression units for liquefied natural gas production are difficult to deploy and adjust due to their large size, heavy weight, and complex supporting facilities.
The device uses a base slide groove to connect the casters, adjustment plate, and lifting mechanism. The adjustment plate drives the casters to rise and fall, and combined with the adjustment mechanism of the damper and damping spring, the device can be moved easily.
It enables convenient relocation of the device, simplifies the on-site deployment and adjustment process, and improves operational flexibility.
Smart Images

Figure CN223635862U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to liquefied natural gas production technical field relates to the refrigerant for liquefied natural gas production especially a refrigerant compression unit for liquefied natural gas production. BACKGROUND
[0002] The refrigerant compression unit for liquefied natural gas production is a device specially designed to compress and recycle refrigerant gas to support the production process of liquefied natural gas. This device increases the pressure of the refrigerant, allowing it to effectively absorb and transfer heat when reducing temperature, thereby achieving the cooling and liquefaction of gaseous natural gas. The refrigerant compression unit usually combines multi-stage compression technology and advanced heat exchange systems to improve energy utilization efficiency and liquefaction effect. This equipment plays a key role in the modern liquefied natural gas industry, ensuring the stability and economy of the production process, and also helps to reduce environmental impact.
[0003] However, some existing refrigerant compression units for liquefied natural gas production are usually not convenient to move, because such devices are usually large in size, heavy in weight, and complex in supporting facilities, making it difficult to deploy and adjust on site. Therefore, this problem needs to be solved. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a refrigerant compression unit for liquefied natural gas production. The technical problem to be solved by the utility model is that such devices are usually large in size, heavy in weight, and complex in supporting facilities, making it difficult to deploy and adjust on site.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A refrigerant compression unit for liquefied natural gas production includes a base, the base bottom is provided with four sliding grooves, and the four sliding grooves are evenly arranged in a square shape. Four universal wheels are slidingly connected inside the four sliding grooves, and the four universal wheels are rotatably connected to the same adjusting plate at the top. The adjusting plate is provided with a lifting mechanism for lifting the universal wheels at the bottom. The base top is fixedly connected with a layer plate, and the layer plate top is slidingly connected with a top plate. The top plate top is fixedly connected with a compressor. The layer plate inner surface is fixedly connected with four dampers, and the four dampers are evenly arranged in a square shape. The four dampers are fixedly connected to the inside of the top plate at the top. The four damper surfaces are all sleeved with a damping spring, and the four damping spring bottoms are all provided with an adjusting mechanism for adjusting the damping spring. The technical scheme of the adjusting plate driving the universal wheel to lift makes the compressor easy to move.
[0007] As a further scheme of the utility model, the lifting mechanism includes two lead screws, both of the lead screws are rotationally connected inside the base, the adjusting plate is provided with a lead screw nut on the surface of the side close to the lead screws, and the lead screw nut and the lead screw are arranged in pairs, a first synchronous wheel is sleeved on the surface of the side away from the adjusting plate of both the lead screws, both the first synchronous wheels are sleeved with a same first synchronous belt, one of the lead screws is fixedly connected with a motor at the top, and the motor is fixedly connected inside the layer plate.
[0008] As a further scheme of the utility model, the adjusting mechanism includes four limiting plates, all the limiting plates are fixedly connected on the surface of the damper, and the four limiting plates are arranged in a ring shape, a same adjusting disc is slidably connected on the surface of the four limiting plates, the adjusting disc is sleeved on the surface of the damper, the bottom end of the damping spring is fixedly connected to the top of the adjusting disc, the top of the damping spring is fixedly connected inside the top plate, two adjusting grooves are symmetrically formed in the bottom of the adjusting disc, and an adjusting block is slidably connected inside each of the adjusting grooves, and a rotating mechanism for rotating the adjusting block is arranged at the bottom of each of the adjusting blocks.
[0009] As a further scheme of the utility model, the rotating mechanism includes a rotating disc, the rotating disc is fixedly connected to the bottom of both the adjusting blocks, the rotating disc is rotationally connected to the inner surface of the layer plate, a worm wheel is sleeved on the surface of the rotating disc, a worm is matched with the surface of the worm wheel, the worm is rotationally connected to the inner surface of the layer plate, a second synchronous wheel is sleeved on the surface of each of the worms, and a same second synchronous belt is sleeved on the surface of both the second synchronous wheels, so that the adjusting blocks can be rotated through the arrangement of the rotating disc.
[0010] The utility model discloses the beneficial effects are:
[0011] 1. The utility model discloses a lifting mechanism that is used for lifting the compressor, and the adjusting plate is arranged on the bottom of the compressor, and the universal wheel is arranged on the bottom of the adjusting plate, so that the compressor can be lifted and moved through the lifting of the adjusting plate, and the compressor can be moved conveniently. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 The utility model provides a kind of overall structure schematic diagram of cold agent compression device for liquefied natural gas production;
[0013] Figure 2This is a schematic diagram of the internal structure of a refrigerant compression device for liquefied natural gas production proposed in this utility model;
[0014] Figure 3 This is a schematic diagram of the lifting mechanism of a refrigerant compression device for liquefied natural gas production according to the present invention;
[0015] Figure 4 This is a schematic diagram of the regulating mechanism of a refrigerant compression device for liquefied natural gas production according to the present invention;
[0016] Figure 5 for Figure 4 A magnified structural diagram at point A in the diagram.
[0017] In the diagram: 1. Base; 2. Shelf; 3. Top plate; 4. Compressor; 101. Slide groove; 102. Adjusting plate; 103. Caster wheel; 104. Lead screw; 105. Lead screw nut; 106. First synchronous pulley; 107. First synchronous belt; 108. Motor; 201. Damper; 202. Damping spring; 203. Adjusting disc; 204. Adjusting groove; 205. Adjusting block; 206. Turntable; 207. Worm gear; 208. Worm; 209. Second synchronous pulley; 210. Second synchronous belt; 211. Limiting plate. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Reference Figure 1 - Figure 5 A refrigerant compression device for liquefied natural gas production includes a base 1. The base 1 has four square, evenly spaced sliding grooves 101 at its bottom. Each of the four grooves 101 has a slidably connected caster wheel 103. The tops of the four caster wheels 103 are rotatably connected to the same adjusting plate 102. The bottom of the adjusting plate 102 has a lifting mechanism for raising and lowering the caster wheels 103. A shelf 2 is fixedly connected to the top of the base 1. A top plate 3 is slidably connected to the top of the shelf 2. A compressor 4 is fixedly connected to the top of the top plate 3. Four dampers 201 are fixedly connected to the inner surface, and the four dampers 201 are evenly arranged in a square shape. The tops of the four dampers 201 are fixedly connected to the inside of the top plate 3. The dampers 201 can buffer the vibration of the compressor 4. The surface of each of the four dampers 201 is fitted with a damping spring 202, and the bottom of each of the four damping springs 202 is provided with an adjustment mechanism for adjusting the damping spring 202. The compressor 4 can be moved easily by using the adjustment plate 102 to drive the caster wheel 103 to lift and lower.
[0020] Preferably, the lifting mechanism comprises two lead screws 104, both of which are rotationally connected inside the base 1, and the adjusting plate 102 is provided with a lead screw nut 105 on the surface near one side of the two lead screws 104, and the lead screw nut 105 is arranged in matching with the lead screw 104, both of the two lead screws 104 are provided with a first synchronous wheel 106 on the surface away from the adjusting plate 102, and the two first synchronous wheels 106 are provided with a same first synchronous belt 107, and one of the lead screws 104 is fixedly connected with a motor 108, and the motor 108 is fixedly connected inside the layer plate 2.
[0021] Preferably, the adjusting mechanism comprises four limiting plates 211, all of which are fixedly connected to the surface of the damper 201, and the four limiting plates 211 are uniformly arranged in a ring shape, and the same adjusting disc 203 is slidingly connected to the surface of the four limiting plates 211, and the adjusting disc 203 is sleeved on the surface of the damper 201, and the bottom end of the damping spring 202 is fixedly connected to the top of the adjusting disc 203, and the top of the damping spring 202 is fixedly connected to the inside of the top plate 3, and two adjusting grooves 204 are symmetrically formed in the bottom of the adjusting disc 203, and two adjusting blocks 205 are slidingly connected inside the two adjusting grooves 204, and the adjusting disc 203 can be lifted through the adjusting block 205, and the bottom of the two adjusting blocks 205 is provided with a rotating mechanism for rotating the adjusting block 205, and the damping spring 202 can be adjusted through the adjusting disc 203.
[0022] Further, the rotating mechanism comprises a rotating disc 206, which is fixedly connected to the bottom of the two adjusting blocks 205, and the rotating disc 206 is rotationally connected to the inner surface of the layer plate 2, and the rotating disc 206 is sleeved with a worm gear 207 on the surface, and the worm gear 207 is matched with a worm 208 on the surface, and the rotating disc 206 can be rotated through the setting of the worm gear 207, and the worm 208 is rotationally connected to the inner surface of the layer plate 2, and both of the two worm 208 are sleeved with a second synchronous wheel 209 on the surface, and the two second synchronous wheels 209 are sleeved with a same second synchronous belt 210 on the surface, and the adjusting block 205 can be rotated through the setting of the rotating disc 206.
[0023] Working principle: in use, the motor 108 can be started, the output shaft of the motor 108 is installed with the lead screw 104, so that when the motor 108 is started, the lead screw 104 can be rotated, the adjusting plate 102 is sleeved on the surface of the lead screw 104, and the adjusting plate 102 is matched with the lead screw 104 through the lead screw nut 105, so that when the lead screw 104 rotates, the adjusting plate 102 can move downwards, the universal wheel 103 is installed at the bottom of the adjusting plate 102, so that when the adjusting plate 102 moves downwards, the universal wheel 103 also moves downwards synchronously, and makes contact with the ground, when the universal wheel 103 contacts with the ground, the adjusting plate 102 continues to move downwards, so that the universal wheel 103 can support the compressor 4, when the compressor 4 is completely separated from the ground, it can be moved, four dampers 201 are installed at the bottom of the compressor 4, so that the compressor 4 can be buffered to vibrate, the damping spring 202 is sleeved on the surface of the damper 201, and the bottom of the damping spring 202 is matched with the adjusting disc 203, the adjusting groove 204 is formed at the bottom of the adjusting disc 203, and the adjusting groove 204 is matched with the adjusting block 205 at the top of the rotating disc 206, so that when the buffering strength needs to be adjusted, the rotating disc 206 can be rotated through the worm 208, so that the adjusting block 205 drives the adjusting disc 203 to move upwards.
[0024] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A refrigerant compression device for liquefied natural gas production comprising a base (1), characterized in that, The bottom of the base (1) is provided with four sliding grooves (101), and the four sliding grooves (101) are evenly provided in square, four universal wheels (103) are slidably connected in the four sliding grooves (101), the same adjusting plate (102) is rotatably connected to the top of the four universal wheels (103), the adjusting plate (102) is provided with a lifting mechanism for lifting the universal wheel (103), the base (1) is fixedly connected with a layer plate (2) at the top, the layer plate (2) is slidably connected with a top plate (3) at the top, the top plate (3) is fixedly connected with a compressor (4) at the top, the inner surface of the layer plate (2) is fixedly connected with four dampers (201), and the four dampers (201) are evenly provided in square, the top of the four dampers (201) is fixedly connected to the inside of the top plate (3), and the surface of the four dampers (201) is sleeved with a damping spring (202), and the bottom of the four damping springs (202) is provided with an adjusting mechanism for adjusting the damping spring (202).
2. The refrigerant compression device for liquefied natural gas production according to claim 1, characterized by, The lifting mechanism comprises two lead screws (104), both of which are rotatably connected to the inside of the base (1), the surface of the adjusting plate (102) near the two lead screws (104) is provided with a lead screw nut (105), and the lead screw nut (105) and the lead screw (104) are matched with each other, the surface of the two lead screws (104) away from the adjusting plate (102) is sleeved with a first synchronous wheel (106), the surface of the two first synchronous wheels (106) is sleeved with a same first synchronous belt (107), and the top of one of the lead screws (104) is fixedly connected with a motor (108), and the motor (108) is fixedly connected to the inside of the layer plate (2).
3. The refrigerant compression device for liquefied natural gas production according to claim 1, characterized by, The adjusting mechanism comprises four limiting plates (211), the surface of the four limiting plates (211) is fixedly connected with the damper (201), and the four limiting plates (211) are evenly arranged in annular shape, the surface of the four limiting plates (211) is slidably connected with a same adjusting disc (203), the adjusting disc (203) is sleeved on the surface of the damper (201), and the bottom end of the damping spring (202) is fixedly connected to the top of the adjusting disc (203).
4. The refrigerant compression device for LNG production according to claim 3, characterized by, The top of the damping spring (202) is fixedly connected to the inside of the top plate (3), and the bottom of the adjusting disc (203) is symmetrically provided with two adjusting grooves (204), both of which are slidably connected with an adjusting block (205), and the bottom of the two adjusting blocks (205) is provided with a rotating mechanism for rotating the adjusting block (205).
5. The refrigerant compression device for liquefied natural gas production according to claim 4, characterized by, The rotating mechanism comprises a rotating disc (206), the rotating disc (206) is fixedly connected to the bottom of the two adjusting blocks (205), the rotating disc (206) is rotatably connected to the inner surface of the layer plate (2), the surface of the rotating disc (206) is sleeved with a worm wheel (207), the surface of the worm wheel (207) is matched with a worm (208), and the worm (208) is rotatably connected to the inner surface of the layer plate (2).
6. The refrigerant compression device for liquefied natural gas production according to claim 5, characterized by, The two worm gears (208) are each sleeved with a second synchronous wheel (209), and the two second synchronous wheels (209) are each sleeved with a second synchronous belt (210).