Heat exchange tube assembly for lithium carbonate production

Abstract

The utility model relates to a heat exchange tube assembly for lithium carbonate production, which is provided with two tube bodies of heat exchange tubes and a connector, and each tube body is provided with a limiting ring; the connector comprises a connecting pipe and a connecting sleeve, the connecting pipe and the connecting sleeve are coaxially arranged, inserting grooves are formed in the two ends of the connecting pipe, a plurality of pressing assemblies are arranged on the limiting ring of each pipe body, each pressing assembly comprises an adjusting screw hole, an adjusting screw rod, a limiting rotating rod and an abutting-pressing arc plate, the two ends of each adjusting screw rod extend out of the corresponding pipe body, and the abutting-pressing arc plates abut against the limiting rotating rods. Limiting sliding rods are arranged on the pressing arc plates, limiting sliding grooves are formed in the inner wall of the pipe body, and all the pressing arc plates press the inner wall of the connecting pipe on the inner wall of the pipe body in the inserting groove through thread fit of the adjusting screw rods and the adjusting screw holes and cooperation of all the limiting sliding rods and the limiting sliding grooves; and each pipe body is fixedly connected with the connector through the pressing of each pressing arc plate on the inner wall of the connecting pipe. The device is ingenious in structure, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat exchange pipe for lithium carbonate production, especially a heat exchange pipe assembly for lithium carbonate production. BACKGROUND

[0002] Lithium carbonate is colorless monoclinic crystal or white powder, density is 2.11, melting point 618 DEG C, no deliquescence, has relative stability and so on.The solubility in water is small, and the solubility decreases with the increase of temperature.The solubility in cold water is larger than that in hot water, and it is dissolved in dilute acid, and is insoluble in ethanol and acetone.When carbon dioxide is passed into the water suspension of lithium carbonate, lithium carbonate is converted into acid lithium carbonate and dissolved.If the solution of acid lithium carbonate is heated, carbon dioxide is released, and lithium carbonate is precipitated.

[0003] The existing lithium carbonate is often spliced with multiple heat exchange pipes according to the demand of the site during the production process, and the splicing of the heat exchange pipe is generally spliced through welding in the prior art, but the splicing mode can not guarantee the overall sealing property on the one hand, and the disassembly after the use is completed is more cumbersome on the other hand, which is very inconvenient. SUMMARY

[0004] The utility model discloses a kind of heat exchange pipe assemblies for lithium carbonate production, ingenious structure, can realize the quick installation or disassembly between adjacent heat exchange pipes, and can guarantee the overall sealing property of each heat exchange pipe after installation, convenient and practical.

[0005] The technical scheme for achieving the purpose of the utility model is: the utility model has two pipe bodies of heat exchange pipes, and a connector arranged between the two pipe bodies, each pipe body is provided with a limiting ring which is coaxial with the pipe body and is integrally formed; the connector comprises a connecting pipe and a connecting sleeve which is rotatably connected to the connecting pipe, the connecting pipe and the connecting sleeve are coaxially arranged, both ends of the connecting pipe are provided with insertion grooves, each pipe body is detachably fixed at both ends of the connecting pipe through insertion fitting of the insertion grooves, each limiting ring of each pipe body is provided with a plurality of compression assemblies which can compress the connecting pipe and the pipe body, each compression assembly is circumferentially distributed on the limiting ring along the axis of the limiting ring, the compression assembly comprises an adjusting screw hole arranged on the limiting ring, an adjusting screw rod rotatably arranged on the limiting ring, a limiting rotating rod fixed at the lower end of the adjusting screw rod, and a pressing arc plate rotatably connected to the limiting rotating rod and capable of pressing the inner wall of the connecting pipe, the axis of the adjusting screw hole is perpendicular to the axis of the pipe body, both ends of the adjusting screw rod extend out of the pipe body, the limiting rotating rod and the pressing arc plate are located in the pipe body, the pressing arc plate is provided with a limiting sliding rod, the inner wall of the pipe body is provided with a limiting sliding groove matched with the limiting sliding rod, the axis of the limiting sliding rod is parallel to the axis of the adjusting screw hole and perpendicular to the axis of the pipe body, each pressing arc plate compresses the inner wall of the connecting pipe on the inner wall of the pipe body in the insertion groove through the threaded fitting of the adjusting screw rod and the adjusting screw hole and the fitting of each limiting sliding rod and the limiting sliding groove, and each pipe body is fixedly connected with the connector through the pressing of the inner wall of the connecting pipe by each pressing arc plate.

[0006] Further, the connector is provided with a locking assembly corresponding to each pipe body and capable of locking the pipe body in the insertion groove, the locking assembly comprises a locking slot arranged on the connecting sleeve, a connecting hole arranged on the connecting pipe and communicated with the insertion groove, a locking rod slidably arranged in the locking slot, and a reset spring arranged in the locking slot, the extension direction of the locking slot is perpendicular to the axis of the connecting pipe, the reset spring is sleeved on the locking rod, and both ends of the reset spring act on the inner wall of the locking rod and the locking slot respectively, the outer wall of each pipe body is provided with a lock hole communicated with the connecting hole, the locking rod passes through the connecting hole and extends into the lock hole on the outer wall of the pipe body through the continuous force of the reset spring after rotating in the locking slot to be communicated with the connecting hole, and each locking rod fixedly connects the pipe body and the connecting pipe through the insertion fitting with the lock hole.

[0007] Further, the inner wall of the connecting sleeve is provided with a plurality of rotating slip rings coaxially arranged with the connecting sleeve, the outer wall of the connecting pipe is provided with a rotating ring groove matched with each rotating slip ring, the connecting sleeve is rotatably connected with the connecting pipe through the fitting of each rotating slip ring and the rotating ring groove, and one end of each locking rod extending out of the connecting sleeve is provided with a pull ring.

[0008] Further, each insertion groove is provided with a sealing washer coaxially arranged with the insertion groove, and the sealing washer is fixedly installed on the groove bottom of the insertion groove.

[0009] Furthermore, a limit block is provided on one end of each limit rotating rod away from the adjusting screw, and a rotating hole is provided on the pressure arc plate for the limit rotating rod to pass through. The axis of the rotating hole is arranged parallel to the extension direction of the limit sliding rod, and the limit rotating rod is arranged in the rotating hole. The limit block is pressed against the bottom of the pressure arc plate, and each adjusting screw is rotatably connected to the pressure arc plate through the cooperation of the limit rotating rod and the rotating hole.

[0010] The present invention has positive effects: (1) The present invention sets the connector as a combination of a connecting tube and a connecting sleeve, and sets a clamping assembly on the limiting ring. Each pressure arc plate presses the inner wall of the connecting tube against the inner wall of the tube body in the slot through the threaded combination of the adjusting screw and the adjusting screw hole, and the combination of the limiting slide rod and the limiting slide groove. Each tube body is fixedly connected to the connector by the pressure of each pressure arc plate on the inner wall of the connecting tube, which effectively solves the inconvenience caused by the installation, connection and disassembly between the heat exchange tubes in the prior art. The combination of the adjusting screw and the adjusting screw hole, and the combination of the limiting slide rod and the limiting slide groove ensures that the pressure arc plate can stably press the inner wall of the connecting tube. At the same time, it also ensures the stability and sealing between the connecting tube and the tube body of each heat exchange tube during installation and connection, and also ensures the convenience of disassembly between the tube bodies. The structure is ingenious, convenient and efficient.

[0011] (2) The utility model sets a locking assembly. After the lock rod rotates in the lock groove to communicate with the connecting hole, it passes through the connecting hole and extends into the lock hole on the outer wall of the tube body through the continuous force of the reset spring. Each lock rod is fixedly connected to the tube body and the connecting pipe by plugging into the lock hole, effectively ensuring the tightness and firmness of the connection between the connecting sleeve, the connecting pipe and each tube body. At the same time, when disassembly is required, it is only necessary to pull the pull ring on the lock rod to pull out the lock rod, further ensuring the tightness and firmness of the connection between the tube body and the connecting pipe, as well as the convenience of disassembly.

[0012] (3) The present invention provides a rotating slip ring on the inner wall of the connecting sleeve and a corresponding rotating ring groove on the outer wall of the connecting pipe. The cooperation between the rotating slip ring and the rotating ring groove ensures the smooth rotation of the connecting sleeve, avoids axial or radial offset between the connecting sleeve and the connecting pipe, and indirectly ensures the accuracy of the connection between the locking rod and the locking hole.

[0013] (4) The utility model provides a sealing gasket in the slot, and after each tube body is connected to the slot, the sealing gasket ensures the sealing and firmness of the connection between each tube body and the connecting pipe.

[0014] (5) The utility model discloses a limiting block is set up on the limiting rotary lever, and the rotary hole is set up on the arc plate of leaning on pressure to limit the rotary lever to rotate, can prevent the jam between adjusting screw rod and adjusting screw hole and arc plate of leaning on pressure when rotating cooperation on one hand, further guarantee the stable leaning on pressure of arc plate of leaning on pressure to the inner wall of connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the content of the utility model more easily be clearly understood, below according to specific embodiment and combining with attached drawing, the utility model is further detailedly explained, wherein

[0016] Figure 1 It is whole structure schematic diagram of heat exchange pipe subassembly for lithium carbonate production in the utility model;

[0017] Figure 2 It is sectional view of the whole structure of heat exchange pipe subassembly for lithium carbonate production in the utility model

[0018] Figure 3 It is Figure 2 Enlarged view of A in the middle;

[0019] Figure 4 It is Figure 2 Enlarged view of B in the middle;

[0020] Figure 5 It is Figure 2 Enlarged view of C in the middle;

[0021] Figure 6 It is sectional view of the whole structure of connecting sleeve in the utility model;

[0022] Figure 7 It is sectional view of the whole structure of connecting pipe in the utility model. DETAILED DESCRIPTION

[0023] See Figures 1 to 7The utility model discloses a pipe body 1 of two heat exchange pipes and the connector arranged between two pipe bodies 1, each pipe body 1 is equipped with the limit ring 11 of the coaxiality with pipe body 1 and integral molding, the connector includes the connecting pipe 3 and the connecting sleeve 2 of rotation connection on connecting pipe 3, connecting pipe 3 is coaxial with connecting sleeve 2 and is arranged, both ends of connecting pipe 3 are equipped with the slot 31, and each pipe body 1 is detachably fixed at both ends of connecting pipe 3 through the plug-in cooperation of slot 31, and the limit ring 11 of each pipe body 1 is equipped with multiple pressure assembly 5 that can compress connecting pipe 3 and pipe body 1, each pressure assembly 5 is distributed on the limit ring 11 along the axis circumference of limit ring 11, the pressure assembly 5 includes the adjusting screw hole 52 of setting on the limit ring 11, the adjusting screw rod 51 of rotation setting on the limit ring 11, the limit rotary lever 53 of fixing at the lower end of adjusting screw rod 51, and the pressure arc plate 54 of rotation connection on limit rotary lever 53 and can be pressed to the inner wall of connecting pipe 3, the axis of adjusting screw hole 52 is perpendicular with the axis of pipe body 1 and is arranged, both ends of adjusting screw rod 51 are stretched out pipe body 1, the limit rotary lever 53 and pressure arc plate 54 are all located in pipe body 1, the limit sliding rod 55 is equipped on pressure arc plate 54, the inner wall of pipe body 1 is equipped with the limit sliding groove 56 of adapting with limit sliding rod 55, the axis of limit sliding rod 55 is parallel with the axis of adjusting screw hole 52 and is arranged, and is perpendicular with the axis of pipe body 1, and the inner wall of connecting pipe 3 is compressed in the inner wall of pipe body 1 in slot 31 through the thread cooperation of adjusting screw rod 51 and adjusting screw hole 52 and the cooperation of each limit sliding rod 55 and limit sliding groove 56, each pipe body 1 is fixedly connected with the connector through the pressure of each pressure arc plate 54 to the inner wall of connecting pipe 3.

[0024] The connector is equipped with the locking assembly 4 corresponding with each pipe body 1 and can lock pipe body 1 in slot 31, the locking assembly 4 includes the lock groove 41 of setting on connecting sleeve 2, the connecting hole 42 of setting on connecting pipe 3 and being communicated with slot 31, the lock rod 43 of sliding setting in lock groove 41 and the reset spring 44 of setting in lock groove 41, the extension direction of lock groove 41 is perpendicular with the axis of connecting pipe 3 and is arranged, the reset spring 44 is sleeved on lock rod 43, and both ends of reset spring 44 act on the inner wall of lock rod 43 and lock groove 41 respectively, the outer wall of each pipe body 1 is equipped with the lock hole 12 communicated with connecting hole 42, and the lock rod 43 is communicated with connecting hole 42 after rotating to lock groove 41 and passes through connecting hole 42 and extends into the lock hole 12 on the outer wall of pipe body 1 through the continuous force of reset spring 44, and each lock rod 43 is fixedly connected with pipe body 1 and connecting pipe 3 through the plug-in cooperation of lock hole 12.

[0025] The inner wall of the connecting sleeve 2 is provided with a plurality of rotating slip rings 20 coaxially arranged with the connecting sleeve 2, and the outer wall of the connecting tube 3 is provided with a rotating ring groove 30 adapted to each rotating slip ring 20. The connecting sleeve 2 is rotatably connected to the connecting tube 3 through the cooperation of each rotating slip ring 20 and the rotating ring groove 30, and a pull ring is provided on the end of each locking rod 43 extending out of the connecting sleeve 2.

[0026] Each slot 31 is provided with a sealing gasket 32 ​​coaxially arranged with the slot 31 , and the sealing gasket 32 ​​is fixedly mounted on the bottom of the slot 31 .

[0027] A limit block 531 is provided on the end of each limit rotating rod 53 away from the adjusting screw 51, and a rotating hole 541 is provided on the pressure arc plate 54 for the limit rotating rod 53 to pass through. The axis of the rotating hole 541 is arranged parallel to the extension direction of the limit sliding rod 55. The limit rotating rod 53 is arranged in the rotating hole 541, and the limit block 531 is pressed against the bottom of the pressure arc plate 54. Each adjusting screw 51 is rotatably connected to the pressure arc plate 54 through the cooperation between the limit rotating rod 53 and the rotating hole 541.

[0028] The working principle of the present invention: During the use of the present invention, one end of each tube body 1 is inserted into the slot 31 of the connecting tube 3. After each tube body 1 is inserted into the slot 31, it is pressed against the sealing gasket 32 ​​in the slot 31. Each limiting ring 11 on the tube body 1 is pressed against the end face of the connecting tube 3. When the locking slot 41 and the connecting hole 42 are not connected, each locking rod 43 is pressed against the outer wall of the connecting tube 3 by the continuous force of the return spring 44. When each tube body 1 is inserted into the slot 31, the connecting sleeve 2 starts to rotate. After the locking rod 43 rotates in the locking slot 41 to be connected with the connecting hole 42, it passes through the connecting hole 42 and extends into the locking hole 12 on the outer wall of the tube body 1 through the continuous force of the return spring 44. Each locking rod 43 fits the tube 1 in place by plugging with the locking hole 12 The body 1 and the connecting tube 3 are fixedly connected, and then the adjusting screw 51 set on the limiting ring 11 is rotated. The cooperation of each adjusting screw 51 and the adjusting screw 51 drives each pressure arc plate 54 to press against the inner wall of the connecting tube 3, thereby strengthening the connection between each connecting tube 3 and the tube body 1. At the same time, the cooperation of each limiting slide rod 55 and the limiting slide groove 56 ensures that the pressure arc plate 54 will not deviate during the lifting and pressing process, and can also limit the lifting and pressing of the pressure arc plate 54, effectively solving the inconvenience of installing, connecting or disassembling between each heat exchange tube in the prior art, ensuring the high efficiency of the installation and connection between each heat exchange tube, the overall sealing after installation, and the convenience of disassembly between each heat exchange tube. The structure is ingenious and convenient and practical.

[0029] The above-described specific embodiments further specifically describe the purposes, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A heat exchange tube assembly for lithium carbonate production, comprising two tube bodies of heat exchange tubes and a connector arranged between the two tube bodies, each tube body being provided with a limiting ring coaxial with the tube body and integrally formed; characterized in that: The connector comprises a connecting pipe and a connecting sleeve rotationally connected to the connecting pipe, the connecting pipe and the connecting sleeve are coaxially arranged, both ends of the connecting pipe are provided with insertion slots, each pipe body is detachably fixed at both ends of the connecting pipe through insertion fitting with the insertion slots, a plurality of compression assemblies for compressing the connecting pipe and the pipe body are arranged on the limiting ring of each pipe body, each compression assembly is circumferentially distributed on the limiting ring along the axis of the limiting ring, the compression assembly comprises an adjusting screw hole arranged on the limiting ring, an adjusting screw rod rotationally arranged on the limiting ring, a limiting rotating rod fixed at the lower end of the adjusting screw rod, and a pressing arc plate rotationally connected to the limiting rotating rod and capable of pressing against the inner wall of the connecting pipe, the axis of the adjusting screw hole is perpendicular to the axis of the pipe body, both ends of the adjusting screw rod extend out of the pipe body, the limiting rotating rod and the pressing arc plate are located in the pipe body, the pressing arc plate is provided with a limiting sliding rod, the inner wall of the pipe body is provided with a limiting sliding groove matched with the limiting sliding rod, the axis of the limiting sliding rod is parallel to the axis of the adjusting screw hole and perpendicular to the axis of the pipe body, each pressing arc plate compresses the inner wall of the connecting pipe against the inner wall of the pipe body in the insertion slot through the threaded fitting of the adjusting screw rod and the adjusting screw hole and the fitting of each limiting sliding rod and the limiting sliding groove, and each pipe body is fixedly connected with the connector through the pressing of each pressing arc plate against the inner wall of the connecting pipe.

2. The heat exchange tube assembly for lithium carbonate production according to claim 1, characterized in that: The connector is provided with a locking assembly corresponding to each pipe body and capable of locking the pipe body in the insertion slot, the locking assembly comprises a locking slot arranged on the connecting sleeve, a connecting hole arranged on the connecting pipe and communicating with the insertion slot, a locking rod slidingly arranged in the locking slot, and a reset spring arranged in the locking slot, the extension direction of the locking slot is perpendicular to the axis of the connecting pipe, the reset spring is sleeved on the locking rod, and both ends of the reset spring act on the inner wall of the locking rod and the locking slot respectively, the outer wall of each pipe body is provided with a lock hole communicating with the connecting hole, the locking rod penetrates through the connecting hole and extends into the lock hole on the outer wall of the pipe body through the continuous force of the reset spring after the locking rod is rotated to communicate with the connecting hole, and each locking rod fixedly connects the pipe body and the connecting pipe through the insertion fitting with the lock hole.

3. The heat exchange tube assembly for lithium carbonate production according to claim 2, characterized in that: The inner wall of the connecting sleeve is provided with a plurality of rotationally sliding rings coaxially arranged with the connecting sleeve, the outer wall of the connecting pipe is provided with a rotation ring groove matched with each rotationally sliding ring, the connecting sleeve is rotationally connected with the connecting pipe through the fitting of each rotationally sliding ring and the rotation ring groove, and one end of each locking rod extending out of the connecting sleeve is provided with a pull ring.

4. The heat exchange tube assembly for lithium carbonate production according to claim 3, characterized in that: Each insertion slot is provided with a sealing washer coaxially arranged with the insertion slot, and the sealing washer is fixedly installed on the slot bottom of the insertion slot.

5. The heat exchange tube assembly for lithium carbonate production according to claim 4, characterized in that: One end of each limiting rotating rod away from the adjusting screw rod is provided with a limiting block, the pressing arc plate is provided with a rotating hole through which the limiting rotating rod passes, the axis of the rotating hole is parallel to the extension direction of the limiting sliding rod, the limiting rotating rod is arranged in the rotating hole, and the limiting block presses against the bottom of the pressing arc plate, each adjusting screw rod is rotationally connected with the pressing arc plate through the fitting of the limiting rotating rod and the rotating hole.

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