Skid-mounted cold box

Abstract

The utility model discloses a skid-mounted cold box, which relates to the technical field of cold boxes and comprises a base, a first cold box, a connecting seat and a second cold box are sequentially arranged on the outer top surface of the base, and round rods are fixedly connected to the center of the outer bottom surface of the first cold box and the center of the outer bottom surface of the second cold box. Through type round holes matched with the round rod are formed in the centers of the outer top faces of the base and the connecting base, square grooves are formed in the outer side walls of the two sides of the base and the connecting base, and the bottom ends of the inner side walls of the two sides of each square groove are jointly and rotationally connected with a clamping plate. And clamping assemblies for clamping the first cold box and the second cold box are arranged in the base and the connecting seat. The rotary knob, the rotating shaft rod, the gear and the rack can drive the inserting rod to be inserted into the inner side of the inserting hole, the first cold box and the second cold box are fixed to the base and the connecting base, the modularized splicing mode reduces the transportation difficulty and the labor intensity of workers, and overall operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of cold box technology, and in particular to a skid-mounted cold box. Background Technology

[0002] A cold box is a set of high-efficiency, thermally insulated, low-temperature heat exchange equipment, frequently used in cryogenic separation processes. For example, in the cryogenic separation of natural gas, a cold box operating at approximately -100 to 140°C is used. It consists of a compact, high-efficiency plate heat exchanger and a gas-liquid separator. Because low temperatures cause rapid heat loss, extremely tight thermal insulation is required. Therefore, the heat exchanger and separator are encased in a box-shaped structure using insulating materials, hence the name cold box. Skid-mounted refers to an integrated method where functional components are integrated onto a single base, allowing for overall installation and relocation. This facilitates installation and relocation. The production and assembly of skid-mounted equipment are completed in the factory, minimizing on-site installation work. Only the connection of interface pipes and external electrical connections is required for operation. Since the functional components are integrated into a single base, it can be easily moved as a whole. The design is compact, and the footprint is small. Skid-mounted equipment has a compact structure, reducing the footprint compared to traditional installation methods.

[0003] Currently, most existing cold boxes are integrated structures. Due to their large size, these integrated cold boxes require strict transport procedures, and their installation necessitates overall hoisting, which is labor-intensive and resource-intensive, making the overall operation quite cumbersome. Therefore, those skilled in the art have proposed a skid-mounted cold box to address the problems mentioned in the background section. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a skid-mounted cold box, which solves the problems mentioned in the background art, such as the large overall structure of integrated cold boxes, the high requirements for transportation, and the need for overall hoisting during installation, which consumes a lot of manpower and resources and makes the overall operation quite troublesome.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a skid-mounted cold box, comprising a base, wherein a cold box one, a connecting seat, and a cold box two are sequentially arranged on the outer top surface of the base; a round rod is fixedly connected to the center of the outer bottom surface of both cold boxes one and two, and insertion holes are provided on both sides of the outer circumferential surface of the round rod; a through-hole adapted to the round rod is provided at the center of the outer top surface of the base and the connecting seat; square grooves are provided on both outer side walls of the base and the connecting seat, and a locking plate is rotatably connected to the bottom of the inner side walls of both sides of the square grooves; a locking groove adapted to the locking plate is provided on both outer side walls of both cold boxes one and two; and a locking assembly for locking cold boxes one and two is provided inside the base and the connecting seat.

[0006] As a further technical solution of this utility model, the locking assembly includes square plates slidably connected to both ends of the inner bottom surface of the base and the connecting seat. Support plate one and support plate two are fixedly installed on the outer top surfaces of the two square plates respectively. Straight plates are fixedly connected to the outer walls of the two support plates one that are far apart from each other. The two straight plates extend to the outer walls of the base and the connecting seat on both sides and are slidably connected to the inner walls of the two locking plates. At the same time, insertion rods are fixedly connected to the corresponding outer walls of the two support plates two. The corresponding ends of the two insertion rods are inserted into the inner sides of the two insertion holes, thereby fixing cold box one and cold box two to the outer top surfaces of the base and the connecting seat respectively.

[0007] As a further technical solution of this utility model, the inner sidewalls of the base and the connecting seat are symmetrically connected to rotating shafts. Gears are fixedly installed at the center of the outer peripheral surface of the two rotating shafts. Racks are fixedly installed on the outer top surface of the two square plates at the corresponding gear positions. The gears and racks are meshed with each other. At the same time, one end of the two rotating shafts extends to the outer sidewalls of the base and the connecting seat respectively and a knob is fixed thereon.

[0008] As a further technical solution of this utility model, a sliding groove is provided on the outer wall of one side corresponding to the two card plates, and a connector is rotatably installed on the outer wall of the opposite end of the two straight plates, and the two connectors extend to the inner side of the sliding groove and are slidably connected to the inner side wall of the sliding groove through a sliding rod.

[0009] As a further technical solution of this utility model, the inner bottom surface of the second cold box is provided with a connecting pipe through the connecting seat at each of the four corners, and the outer top surface of the connecting seat is provided with a through hole that is adapted to the connecting pipe and is in the form of a through hole at each of the four corners.

[0010] As a further technical solution of this utility model, positioning rods are fixedly provided at the four corners of the outer bottom surface of the first cold box and the second cold box, and positioning grooves that are adapted to the positioning rods and are in a through-type are opened at the four corners of the outer top surface of the base and the connecting frame. At the same time, rubber rings are provided on the inner peripheral sidewalls of the positioning grooves.

[0011] As a further technical solution of this utility model, the outer bottom surface of the base is provided with a bracket, and the bracket and the base are fixedly connected to each other by welding. The cold box one, the connecting seat and the cold box two are fixedly connected to each other by bolts.

[0012] This utility model provides a skid-mounted cold box, which has the following advantages compared with the prior art:

[0013] 1. The skid-mounted cold box designed in this paper can drive the insertion rod to be inserted into the inner side of the insertion hole through the setting of knob, rotating shaft, gear and rack, thereby fixing cold box one and cold box two to the base and connecting seat respectively. This modular splicing method reduces the difficulty of transportation during transportation and effectively reduces the labor intensity of workers during installation. The overall operation is more convenient.

[0014] 2. The skid-mounted cold box designed in this way can drive the clamping plates to move closer or further apart by setting straight plates, connectors and sliding grooves, so that the two clamping plates can be inserted into the clamping grooves, thereby further fixing the cold box one and the cold box two and improving the mutual fixation effect. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a skid-mounted cold box;

[0016] Figure 2 This is a cross-sectional three-dimensional structural diagram of a skid-mounted cold box;

[0017] Figure 3 This is an exploded view of the overall structure of a skid-mounted cold box.

[0018] In the picture:

[0019] Base; 101. Cold Box 1; 102. Connecting Seat; 103. Cold Box 2; 104. Round Rod; 105. Insertion Hole; 106. Round Hole; 107. Square Groove; 108. Card Plate; 109. Card Slot;

[0020] 201. Snap-fit ​​assembly; 202. Support plate one; 203. Support plate two; 204. Straight plate; 205. Insert rod; 206. Rotating shaft; 207. Gear; 208. Rack; 209. Knob;

[0021] Slide groove; 301, connector; 302, slide rod;

[0022] Connecting pipe; 401, through hole; 402, positioning rod; 403, positioning groove;

[0023] Support. Detailed Implementation

[0024] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-3This utility model provides a skid-mounted cold box technical solution: It includes a base 1, on the outer top surface of which a cold box 101, a connecting seat 102, and a cold box 2 103 are sequentially arranged. A round rod 104 is fixedly connected to the center of the outer bottom surface of both cold box 101 and cold box 2 103. Insertion holes 105 are provided on both sides of the outer circumferential surface of the round rod 104. A through-hole 106, adapted to the round rod 104, is provided at the center of the outer top surface of the base 1 and the connecting seat 102. Square grooves 107 are provided on both outer side walls of the base 1 and the connecting seat 102, and a retaining plate 108 is rotatably connected to the bottom of the inner side walls of both sides of the square groove 107. The cold box 1... Both sides of the outer walls of cold box 101 and cold box 2 103 are provided with slots 109 that are adapted to the clamping plate 108. The interior of the base 1 and the connecting seat 102 are provided with engaging components 2 for engaging cold box 101 and cold box 2 103. The engaging components 2 include square plates 201 that are slidably connected to both ends of the inner bottom surface of the base 1 and the connecting seat 102. Support plate 1 202 and support plate 203 are respectively fixedly installed on the outer top surfaces of the two square plates 201. Straight plates 204 are fixedly connected to the outer wall of the side of the two support plates 202 that are far apart. The two straight plates 204 extend to the outer walls of the base 1 and the connecting seat 102 and are connected to the two clamping plates 108. The inner walls of the two support plates 203 are slidably connected, and the corresponding outer walls of the two support plates 203 are fixedly connected with insert rods 205. The corresponding ends of the two insert rods 205 are inserted into the inner sides of the two insertion holes 105, thereby fixing the cold box 101 and the cold box 203 to the outer top surfaces of the base 1 and the connecting seat 102 respectively. The inner walls of the base 1 and the connecting seat 102 are symmetrically connected with rotating shafts 206. Gears 207 are fixedly installed at the center of the outer peripheral surface of the two rotating shafts 206. Racks 208 are fixedly installed on the outer top surfaces of the two square plates 201 at the positions corresponding to the gears 207. The gears 207 and racks 208 are fixedly installed. 08 are interlocked and connected. At the same time, one end of the two rotating shafts 206 extends to the outer side wall of the base 1 and the connecting seat 102 respectively and is fixed with a knob 209. The outer side wall of the two clamping plates 108 is provided with a sliding groove 3. The outer side wall of the two straight plates 204 is rotatably installed with a connector 301 at the opposite end. The two connectors 301 extend to the inner side of the sliding groove 3 and are slidably connected to the inner side wall of the sliding groove 3 through the sliding rod 302. The outer bottom surface of the base 1 is provided with a bracket 5, and the bracket 5 and the base 1 are fixedly connected to each other by welding. The cold box 101, the connecting seat 102 and the cold box 2 103 are fixedly connected to each other by bolts.First, the base 1, multiple sets of cold boxes 101 and 103, and the connecting frame are transported in combination according to the size of the transport vehicle, reducing the difficulty of the entire day's transportation and making the transportation process safer and more convenient. When installing cold boxes 101 and 103, the base 1 is first placed at the installation position, and the bracket 5 supports the multiple sets of cold boxes 101 and 103. Next, when installing cold box 101, the round rod 104 at its bottom is first inserted into the round hole 106 on the base 1 and extends into the interior of the base 1 to abut against its inner bottom surface. Then, the knob 209 is turned in sequence to drive the gear 207 on the rotating shaft 206 to rotate. Under the meshing connection of the gear 207, the rack 208 is driven to drive the square plate 201 to move relative to each other inside the base 1. The movement allows the insertion rod 205 on the support plate 203 to be inserted into the insertion hole 105, thereby fixing the cold box 101. Simultaneously, as the square plate 201 moves relative to the support plate 202, the straight plate 204 is driven by the support plate 202 to rotate the clamping plate 108 from an inclined angle to a vertical angle, so that the top of the clamping plate 108 engages in the clamping groove 109 on the cold box 101, further fixing the cold box 101. At the same time, the internal structure of the connecting seat 102 is the same as the internal structure of the base 1, so the cold box 203 can be installed and fixed in the same way. By following the above steps, multiple sets of cold boxes 101 and cold boxes 203 can be installed and fixed in sequence. The overall installation process is relatively simple and effectively reduces the installation time, improving the overall work efficiency.

[0026] The two clamping plates 108 have corresponding grooves 3 on their outer walls. Connectors 301 are rotatably mounted on the outer walls of the two opposite ends of the straight plates 204. The two connectors 301 extend into the inner side of the grooves 3 and are slidably connected to the inner walls of the grooves 3 via sliding rods 302. The cooperation between the sliding rods 302 on the connectors 301 and the grooves 3 facilitates the rotation of the clamping plates 108 by the straight plates 204.

[0027] Each of the four corners of the inner bottom surface of the second cold box 103 is provided with a connecting pipe 4 that passes through the connecting seat 102. Each of the four corners of the outer top surface of the connecting seat 102 is provided with a through hole 401 that is adapted to the connecting pipe 4. Each of the four corners of the outer bottom surface of the first cold box 101 and the second cold box 103 is fixedly provided with a positioning rod 402. Each of the four corners of the outer top surface of the base 1 and the connecting frame is provided with a positioning groove 403 that is adapted to the positioning rod 402 and passes through. At the same time, a rubber ring is provided on the inner circumferential side wall of the positioning groove 403. The connecting pipes 4 on multiple sets of the first cold box 101 and the second cold box 103 are sealed and fitted into the through hole 401, and then the positioning rod 402 is inserted into the inner side of the positioning groove 403, thereby further improving the connection stability between the base 1, the connecting seat 102, the multiple sets of the first cold box 101, and the second cold box 103.

[0028] The working principle of this utility model is as follows: When in use, the base 1, multiple sets of cold boxes 101, cold boxes 103 and connecting frame are transported in combination according to the size of the transport vehicle. Then, when installing multiple sets of cold boxes 101 and cold boxes 103, the base 1 is first placed at the installation position, and then the round rod 104 on the bottom of the cold box 101 is inserted into the round hole 106 on the base 1, and the positioning rod 402 on the cold box 101 is inserted into the positioning groove 403 on the base 1 to increase the connection stability.

[0029] Then, turn the knob 209 to drive the gear 207 on the rotating shaft 206 to rotate, thereby driving the rack 208 to drive the square plate 201 to move relative to the base 1. This allows the insertion rod 205 on the support plate 203 to be inserted into the insertion hole 105, thus fixing the cold box 101. At the same time, when the square plate 201 moves relative to the base, the connector 301 on the straight plate 204 is driven by the support plate 202 to slide in the slide groove 3, rotating the clamping plate 108 from the inclined angle to the vertical angle. This causes the top of the clamping plate 108 to engage in the slot 109 on the cold box 101, thereby further fixing the cold box 101 and making the connection more stable and secure.

[0030] Then, tighten the bolts to fix the connecting seat 102 onto the cold box 101. Since the internal structure of the connecting seat 102 is the same as the internal structure of the base 1, the cold box 2 103 can be installed and fixed in the same way. By following the above steps, multiple sets of cold boxes 101 and cold boxes 2 103 can be installed and fixed in sequence. The overall installation process is relatively simple and effectively reduces the installation time, thus improving the overall work efficiency.

[0031] Finally, the connecting pipes 4 on multiple sets of cold boxes 101 and 203 are sealed and connected to the through holes 401, thereby connecting the interiors of multiple sets of cold boxes 101 and 203 as a whole, which facilitates the interconnection of the internal equipment of the cold boxes.

[0032] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model are implemented according to conventional methods in the art, unless otherwise specified or limited.

Claims

1. A skid-mounted cold box, characterized in that, The base (1) includes a base, on which a cold box (101), a connecting seat (102), and a cold box (103) are arranged sequentially on the outer top surface. A round rod (104) is fixedly connected to the center of the outer bottom surface of both the cold box (101) and the cold box (103). Insertion holes (105) are opened on both sides of the outer peripheral surface of the round rod (104). A through round hole (106) adapted to the round rod (104) is opened at the center of the outer top surface of the base (1) and the connecting seat (102). A square groove (107) is opened on both outer side walls of the base (1) and the connecting seat (102). A card plate (108) is rotatably connected to the bottom of the inner side wall of both sides of the square groove (107). Both sides of the outer walls of the first cold box (101) and the second cold box (103) are provided with slots (109) that are compatible with the card plate (108). The base (1) and the connecting seat (102) are provided with engaging components (2) for engaging the first cold box (101) and the second cold box (103).

2. The skid-mounted cold box according to claim 1, characterized in that, The locking assembly (2) includes square plates (201) slidably connected to both ends of the bottom surface of the base (1) and the connecting seat (102). Support plate one (202) and support plate two (203) are fixedly installed on the outer top surfaces of the two square plates (201) respectively. Straight plates (204) are fixedly connected to the outer wall of the two support plates (202) on the side away from each other. The two straight plates (204) extend to the outer walls of the base (1) and the connecting seat (102) and slide to the inner walls of the two locking plates (108). At the same time, insert rods (205) are fixedly connected to the corresponding outer walls of the two support plates (203). The corresponding ends of the two insert rods (205) are inserted into the inner side of the two insertion holes (105), thereby fixing the cold box one (101) and the cold box two (103) to the outer top surfaces of the base (1) and the connecting seat (102) respectively.

3. A skid-mounted cold box according to claim 2, characterized in that, Rotating shafts (206) are symmetrically and rotatably connected to the inner sidewalls of the base (1) and the connecting seat (102). Gears (207) are fixedly installed at the center of the outer peripheral surface of the two rotating shafts (206). Racks (208) are fixedly installed on the outer top surface of the two square plates (201) at the corresponding gears (207). The gears (207) and racks (208) mesh with each other. At the same time, one end of the two rotating shafts (206) extends to the outer sidewalls of the base (1) and the connecting seat (102) respectively and a knob (209) is fixed thereon.

4. A skid-mounted cold box according to claim 2, characterized in that, A groove (3) is provided on the outer wall of one side of the two card plates (108). A connector (301) is rotatably installed on the outer wall of the two straight plates (204) at the opposite ends. The two connectors (301) extend to the inner side of the groove (3) and are slidably connected to the inner side walls of the groove (3) on both sides by a slide rod (302).

5. A skid-mounted cold box according to claim 1, characterized in that, The inner bottom surface of the second cold box (103) is provided with a connecting pipe (4) through the connecting seat (102) at each of the four corners. The outer top surface of the connecting seat (102) is provided with a through hole (401) that is compatible with the connecting pipe (4) and is in the form of a through hole.

6. A skid-mounted cold box according to claim 1, characterized in that, Positioning rods (402) are fixedly provided at the four corners of the outer bottom surface of the first cold box (101) and the second cold box (103). Positioning grooves (403) that are adapted to the positioning rods (402) and are in a through-type are provided at the four corners of the outer top surface of the base (1) and the connecting frame. At the same time, rubber rings are provided on the inner circumferential sidewalls of the positioning grooves (403).

7. A skid-mounted cold box according to claim 1, characterized in that, The base (1) has a bracket (5) on its outer bottom surface, and the bracket (5) and the base (1) are fixedly connected to each other by welding. The cold box one (101), the connecting seat (102) and the cold box two (103) are fixedly connected to each other by bolts.

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