A high-low temperature alkali solution rapid heat exchange device

Abstract

The utility model discloses a high and low temperature lye quick heat transfer device, through setting up first scraper and second scraper respectively on the surface of inner tube and cross bar, when the outer tube and inner tube inner wall need to clean dirt, can drive through the inner tube circumference, make the inner tube and outer tube inner wall all can get the cleaning, second through bolt with the butt joint ring plate and inner tube, the utility model relates to lye heat transfer technical field. This high and low temperature lye quick heat transfer device, through setting up first scraper and second scraper respectively on the surface of inner tube and cross bar, when the outer tube and inner tube inner wall need to clean dirt, can drive through the inner tube circumference, make the inner tube and outer tube inner wall all can get the cleaning, second through bolt with the butt joint ring plate and inner tube, and install the plate and the butt joint of transport seat, make cross bar and inner tube easy to dismantle separation, and then be convenient for the subsequent regular extraction cleaning of first scraper and second scraper.

Description

TECHNICAL FIELD

[0001] The utility model relates to lye heat exchange technical field, concretely to a high and low temperature lye quick heat exchange device. BACKGROUND

[0002] Lye is also called sodium hydroxide, it is a strong alkali chemical product, after crystallization, it is generally in flaky or massive form, easily soluble in water and forms alkaline solution, in the preparation of alkaline solution process, the chemical plant will be due to the different temperature reaction control indexes of each process, and the temperature of lye in different conveying pipe sections is raised and lowered.

[0003] In the prior art, in order to save energy consumption, a tube shell heat exchanger is arranged at the intersection of the hot and cold lye pipelines, so that the temperature of the hot and cold lye is fully utilized to realize full utilization of energy consumption.

[0004] Although the tube shell heat exchanger can facilitate heat exchange of the hot and cold lye, it still has some problems in actual use, such as lack of cleaning mechanism in the device, which causes scaling on the inner wall of the tube shell and is difficult to clean. UTILITY MODEL CONTENT

[0005] In view of the shortcomings of the prior art, the utility model provides a high and low temperature lye quick heat exchange device, which solves the problem of scaling on the inner wall of the tube shell caused by lack of cleaning mechanism in the device.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a high and low temperature lye quick heat exchange device, which comprises a mounting seat and an outer pipe, the outer pipe is fixedly arranged on the top of the mounting seat through a support, both sides of the outer pipe are rotatably provided with a butt joint ring plate through a sealing bearing, two butt joint ring plates are fixedly connected with an inner pipe through a flange and a bolt, a first scraping blade is fixedly connected to the surface of the inner pipe and located in the outer pipe, a transfer seat is fixedly connected to the top of the mounting seat through a bolt, and the outlet end of the transfer seat is rotatably connected with one end of the inner pipe through a sealing bearing, an installation plate is fixedly connected to one side of the transfer seat through a bolt, a horizontal rod is fixedly connected in the installation plate, and the horizontal rod extends into the inner pipe, and a second scraping blade matched with the inner pipe is fixedly connected to the surface of the horizontal rod.

[0007] Preferably, a driving motor is fixedly connected to the bottom of the transfer seat, a first gear is mounted on the end of the output shaft of the driving motor, and a second gear meshing with the first gear is fixedly connected to the surface of the inner pipe.

[0008] Preferably, an assembly sleeve is fixedly connected between the top and the bottom of the inner pipe cavity through a support, and a rotating base is rotatably arranged on one side of the inner cavity of the assembly sleeve.

[0009] Preferably, the bottom and top of the outer tube are communicated with a lower liquid inlet pipe and an upper liquid outlet pipe respectively.

[0010] Preferably, the top of the transfer seat is communicated with an upper liquid inlet pipe.

[0011] Preferably, the surface of the outer tube is mounted with a heat preservation layer.

[0012] Advantages

[0013] The utility model provides a high and low temperature lye rapid heat exchange device. Compared with prior art has the following advantages: the utility model discloses the surface of inner tube and cross bar is provided with first scraper and second scraper respectively, when the dirt of outer tube and inner wall needs to be cleaned, can drive through the inner tube circumference, make the inner tube and the inner wall of outer tube can be cleaned, secondly, through bolt, the inner tube and the inner tube of docking ring plate and installation board and transfer seat are docked, make cross bar and inner tube easy to disassemble separation, and then facilitate the subsequent regular first scraper and second scraper are extracted and cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the external structure schematic view of the utility model;

[0015] Figure 2 It is the side view of the utility model outer tube internal structure;

[0016] Figure 3 It is the section view of the utility model outer tube structure;

[0017] Figure 4 It is the utility model Figure 3 It is the local enlarged view of A in the utility model;

[0018] Figure 5 It is the local enlarged view of B in the utility model. Figure 3

[0019] In the drawing: 1, mounting seat; 2, outer tube; 3, docking ring plate; 4, inner tube; 5, first scraper; 6, transfer seat; 7, mounting plate; 8, cross bar; 9, second scraper; 10, drive motor; 11, first gear; 12, second gear; 13, assembly sleeve; 14, rotary base; 15, lower liquid inlet pipe; 16, upper liquid outlet pipe; 17, upper liquid inlet pipe; 18, heat preservation layer. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment.

[0021] Please refer to Figures 1-5 ​The utility model provides a technical scheme: a high and low temperature lye quick heat exchange device, including mounting seat 1 and outer tube 2, outer tube 2 is fixedly arranged on the top of mounting seat 1 through the support, and the bottom and top of outer tube 2 are communicated with lower liquid inlet pipe 15 and upper liquid outlet pipe 16 respectively, and the surface of outer tube 2 is provided with heat preservation layer 18, as detailed explanation: heat preservation layer 18 is quartz wool, and the outermost layer of quartz wool is wrapped with stainless steel roll skin.

[0022] Further: for the convenience of cleaning the inner wall of outer tube 2 and inner tube 4, and the convenience of taking out first scraper 5 and second scraper 9 to clean, both sides of outer tube 2 are rotatably provided with butt joint ring plate 3 through sealing bearing, and inner tube 4 is fixedly connected with two butt joint ring plates 3 through flange and bolt, first scraper 5 is fixedly connected with the surface of inner tube 4 and located in the inside of outer tube 2, the top of mounting seat 1 is fixedly connected with transfer seat 6 through bolt, and the outlet end of transfer seat 6 is rotatably connected with one end of inner tube 4 through sealing bearing, one side of transfer seat 6 is fixedly connected with mounting plate 7 through bolt, mounting plate 7 is fixedly connected with cross rod 8 in the inside, and cross rod 8 extends to the inside of inner tube 4, the surface of cross rod 8 is fixedly connected with second scraper 9 matched with inner tube 4, and assembly set 13 is fixedly connected between the top and bottom of the inner chamber of inner tube 4 through support, and rotary base 14 is rotatably arranged in the inner chamber of assembly set 13.

[0023] Among them: for the convenience of automatic rotation drive of inner tube 4, the bottom of transfer seat 6 is fixedly connected with driving motor 10, the end of the output shaft of driving motor 10 is provided with first gear 11, and the surface of inner tube 4 is fixedly connected with second gear 12 engaged with first gear 11, and the top of transfer seat 6 is communicated with upper liquid inlet pipe 17.

[0024] When using: hot lye medium enters the inside of inner tube 4 through upper liquid inlet pipe 17 and transfer seat 6, and relatively low temperature lye enters the inside of outer tube 2 from lower liquid inlet pipe 15, and then hot and cold lye tube shell heat exchange is formed.

[0025] When the inner wall of inner tube 4 and outer tube 2 needs to be cleaned, the operator starts driving motor 10, first gear 11 and second gear 12 are engaged, second gear 12 is engaged and synchronously drives inner tube 4 to rotate, inner tube 4 drives first scraper 5 to clean the inner wall of outer tube 2, and the inner wall of inner tube 4 is synchronously cleaned by stationary second scraper 9 when inner tube 4 rotates, and the inlet and outlet of outer tube 2 and inner tube 4 are separated from the pipeline outside, and the outlet is connected with a hose to perform backwashing.

[0026] When first scraper 5 and second scraper 9 need to be cleaned regularly, the operator only needs to disassemble the bolt and take out inner tube 4 and cross rod 8 in sequence.

Claims

1. A high and low temperature alkali liquid rapid heat exchange device, comprising a mounting seat (1) and an outer pipe (2), the outer pipe (2) is fixedly arranged on the top of the mounting seat (1) through a support, characterized in that: Both sides of the outer tube (2) are provided with butt joint ring plates (3) through sealing bearings, the two butt joint ring plates (3) are fixedly connected with an inner tube (4) through flanges and bolts, the surface of the inner tube (4) and inside the outer tube (2) are fixedly connected with a first scraping blade (5), the top of the mounting base (1) is fixedly connected with a transfer seat (6) through bolts, the outlet end of the transfer seat (6) is rotatably connected with one end of the inner tube (4) through a sealing bearing, one side of the transfer seat (6) is fixedly connected with a mounting plate (7) through bolts, the inside of the mounting plate (7) is fixedly connected with a cross rod (8), the cross rod (8) extends into the inner tube (4), and the surface of the cross rod (8) is fixedly connected with a second scraping blade (9) matched with the inner tube (4).

2. The high-low temperature caustic solution rapid heat exchange device according to claim 1, characterized in that: The bottom of the transfer seat (6) is fixedly connected with a driving motor (10), the end of the output shaft of the driving motor (10) is provided with a first gear (11), and the surface of the inner tube (4) is fixedly connected with a second gear (12) engaged with the first gear (11).

3. The high-low temperature caustic solution rapid heat exchanger according to claim 1, characterized in that: The inner tube (4) is fixedly connected with an assembly sleeve (13) between the top and the bottom of the inner tube (4) through a support, and the inner cavity of the assembly sleeve (13) is rotatably provided with a rotating base (14) on one side.

4. The high-low temperature caustic solution rapid heat exchanger according to claim 1, characterized in that: The bottom and the top of the outer tube (2) are respectively communicated with a lower liquid inlet pipe (15) and an upper liquid outlet pipe (16).

5. The high-low temperature caustic solution rapid heat exchanger according to claim 1, characterized in that: The top of the transfer seat (6) is communicated with an upper liquid inlet pipe (17).

6. The high-low temperature caustic solution rapid heat exchanger according to claim 1, characterized in that: The surface of the outer tube (2) is provided with a heat preservation layer (18).

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