Heat exchanger device for heating saline water by using chlorine

Abstract

The utility model discloses a heat exchanger device utilizing chlorine to heat salt water, and particularly relates to the technical field of heat exchanger devices, which comprises a shell, an inlet and an outlet are respectively arranged at two ends of the shell, a liquid inlet pipe is connected to one side of the outer surface wall of the shell, and a spiral heat exchange pipe is arranged in the shell. An outlet of the liquid inlet pipe penetrates through and extends into the shell to be connected with the inlet end of a spiral heat exchange pipe, and the outlet end of the spiral heat exchange pipe is connected with a liquid outlet pipe. Heat generated by chlorine exothermic reaction is introduced into the heat exchanger through the gas inlet pipe, traditional steam heating or electric heating is replaced, waste heat generated in the electrolysis process is used for heating saline water, accurate regulation and control of the temperature of the saline water can be achieved, and through stable heat supply and uniform temperature distribution, the temperature of the saline water can be accurately controlled. The stability and efficiency of brine electrolysis can be improved, so that the yield and quality of caustic soda products are improved, and the influence of temperature fluctuation on the electrolysis process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger device technical field, concretely relates to a kind of heat exchanger device for realizing salt water heating using chlorine. BACKGROUND

[0002] Heat exchanger device is a kind of equipment for transferring heat between two or more fluids, without the need for fluid to be mixed directly, which is widely used in various industrial fields, such as chemical industry, petroleum, electric power, food processing, etc., in the process of producing caustic soda, heat exchanger is used as an important equipment to control the preheating of brine, which is crucial to improve production efficiency and product quality;

[0003] The current heat exchanger device generally uses steam heating or electric heating to heat the brine in the production of caustic soda, however, steam heating is difficult to control the temperature accurately, which is easy to cause temperature fluctuation, as the steam temperature is high, once not properly controlled, the temperature of brine may exceed the expected range, thereby affecting the stability of electrolysis process and product quality, although electric heating is more convenient, it is also easy to appear local overheating or uneven heating, which is easy to cause uneven temperature distribution in heating area, and further affect the preheating effect of brine and electrolysis efficiency, therefore, a heat exchanger device for realizing brine heating using chlorine is proposed. SUMMARY

[0004] The utility model aims at providing a kind of heat exchanger device for realizing brine heating using chlorine, to solve the above-mentioned shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of heat exchanger device for realizing brine heating using chlorine, comprising a shell, the two ends of the shell are respectively provided with inlet and outlet, and the outer wall of the shell is connected with liquid inlet pipe on one side, the inside of the shell is provided with spiral heat exchange tube, the outlet of the liquid inlet pipe penetrates and extends to the inside of the shell and is connected with the inlet end of the spiral heat exchange tube, the outlet end of the spiral heat exchange tube is connected with liquid outlet pipe, the liquid outlet end of the liquid outlet pipe penetrates and extends to the outside of the shell, the inside of the shell and the side close to the inlet are fixedly connected with flow guide disc;

[0006] One end of the outlet is connected with connecting end block, the inlet end of the connecting end block is connected with gas inlet pipe for introducing chlorine, the lower end surface of the shell is fixedly connected with support base in pairs, the shell, spiral heat exchange tube, flow guide disc, connecting end block and gas inlet pipe are made of nickel-based alloy material, which has good corrosion resistance and high temperature resistance, and is suitable for chlorine environment.

[0007] Specifically, in use, first, the gas inlet end of the gas inlet pipe is connected with the chlorine reactor, and the liquid inlet pipe and the liquid outlet pipe are connected respectively, the brine to be heated is introduced into the spiral heat exchange pipe through the liquid inlet pipe, during heat exchange, the heat generated by the reaction of chlorine with certain organic compounds or metals is introduced into the shell through the gas inlet pipe, and the waste heat is uniformly introduced into the outside of the spiral heat exchange pipe through the flow guide disc, thereby realizing the heat exchange operation of the brine, and the spiral heat exchange pipe can make the path of the brine in the shell longer, so that the brine stays longer and has a larger contact area with the waste heat, thereby realizing uniform heating effect, improving heat transfer efficiency and enhancing heat exchange effect.

[0008] Through the above technical solutions:

[0009] The heat generated by the exothermic reaction of chlorine is used to heat the brine, thereby realizing accurate control of the temperature of the brine, improving the stability and efficiency of electrolysis of the brine through stable heat supply and uniform temperature distribution, thereby improving the yield and quality of caustic soda products, and avoiding the influence of temperature fluctuation on the electrolysis process, in addition, the heat can be uniformly distributed in the entire heat exchanger, reducing the phenomenon of local overheating, ensuring uniform temperature distribution of the brine during the entire heating process, and improving the preheating effect and electrolysis efficiency.

[0010] Preferably, a sealing connection structure is arranged at the connection between the connection end block and the gas inlet pipe, the sealing connection structure comprises a butt plug rod fixedly connected to the connection end block near one end of the gas inlet pipe, a butt slot matched with the butt plug rod is arranged on the inner wall of the gas inlet pipe, a circular block is fixedly connected in the groove arranged on the outer wall of the connection end block, a sealing ring is fixedly connected to the outer wall of the circular block, the ring groove arranged on the gas inlet pipe is matched with the sealing ring, and an inflation assembly is arranged on one side of the circular block.

[0011] Preferably, the inflation assembly comprises a ring pipe embedded in the inner wall of the connection end block, a conveying pipe is connected to one side of the outer wall of the ring pipe, and an inflation head with a plug is connected to the other side of the outer wall of the ring pipe, and the inflation end of the inflation head penetrates and extends to the outside of the connection end block.

[0012] Preferably, a fastening structure is arranged on the butt plug rod, the fastening structure comprises an empty slot arranged on the inner wall of the butt plug rod, a bottom block is fixedly connected to the inner bottom end of the empty slot, and an air bag is fixedly connected to the upper end face of the bottom block.

[0013] Preferably, a T-shaped embedding block is connected to the free end of the air bag, an embedding slot matched with the T-shaped embedding block is arranged on the inner wall of the gas inlet pipe, and the gas outlet end of the conveying pipe penetrates the butt plug rod and the bottom block in sequence and extends to the inside of the air bag.

[0014] Preferably, the T-shaped block is symmetrically connected with the base block by a spring, and the inner wall of the air bag is fixedly connected with a foam ring plate.

[0015] By the above technical solution:

[0016] When connecting, first, the butt plug rod is butted and inserted into the butt slot, then the sealing ring outside the circular ring block is arranged outside the connecting end block and the air inlet pipe connecting gap, then the plug of the inflation head is pulled out and connected with the external inflation equipment, so that the gas enters the air bag through the ring pipe and the conveying pipe, the inflation operation of the air bag is realized, and in the inflation process, the T-shaped block gradually moves outward until it is inserted into the embedding groove, the operation can quickly realize the tight connection between the connecting end block and the air inlet pipe, ensure the sealing property of the connecting end, reduce the risk of chlorine leakage, and when inflating, the foam ring plate connected inside the air bag moves outward with the increase of the internal pressure of the air bag, so that the air bag expands in the vertical direction instead of horizontally, the spring gradually extends, and the vertical shape of the air bag during inflation is ensured; in addition, when disassembling, the plug of the inflation head is pulled out for deflation, with the air bag decompression, the foam ring plate moves inward and is driven by the elastic force of the spring to move the T-shaped block out of the embedding groove and into the empty groove, and finally the butt plug rod is pulled out of the butt slot, so that the disassembly can be quickly realized.

[0017] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0018] 1. The heat exchanger device replaces the traditional steam heating or electric heating by passing the heat generated by the chlorine heat release reaction into the heat exchanger through the air inlet pipe, heats the brine by using the waste heat generated in the electrolysis process, can realize accurate control of the brine temperature, can improve the stability and efficiency of the brine electrolysis through stable heat supply and uniform temperature distribution, thereby improving the yield and quality of caustic soda products, and avoiding the influence of temperature fluctuation on the electrolysis process, in addition, the heat can be evenly distributed in the entire heat exchanger, reducing the phenomenon of local overheating, ensuring uniform temperature distribution of the brine in the entire heating process, improving the preheating effect and electrolysis efficiency, in addition, the heat generated by the chlorine heat release reaction can also be fully utilized, without the need for additional steam or electric energy, reducing energy consumption.

[0019] 2. By arranging the sealing type connection structure, the sealing type connection structure is used to replace the traditional bolt connection, when in use, the sealing property of the connecting end can be ensured, the risk of chlorine leakage is reduced, the safety in the heat exchange process is improved, in addition, the connection can also be quickly completed without the need for using tools to tighten the bolts, reducing the situation that the waste heat leaks from the gap due to misalignment or bolts not being tightened, thereby improving the safety and reliability of the heat exchanger device. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a cross-sectional view of the present invention;

[0023] Figure 3 This is a schematic diagram showing the connection between the connecting end block and the air intake pipe of this utility model;

[0024] Figure 4 This is a cross-sectional view of the connecting end block of this utility model;

[0025] Figure 5 This is an enlarged schematic diagram of the fastening structure of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Outer shell; 2. Inlet; 3. Outlet; 4. Liquid inlet pipe; 5. Spiral heat exchanger tube; 6. Liquid outlet pipe; 7. Flow guide plate; 8. Connecting end block; 9. Air inlet pipe; 10. Docking rod; 11. Docking slot; 12. Circular block; 13. Sealing ring; 14. Ring pipe; 15. Delivery pipe; 16. Inflation head; 17. Fastening structure; 171. Empty slot; 172. Bottom block; 173. Airbag; 174. T-shaped insert; 175. Insert groove; 176. Spring; 177. Foam ring plate; 18. Support base. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0029] This utility model provides, for example Figure 1 and Figure 2 The heat exchanger device shown utilizes chlorine gas to heat brine, comprising:

[0030] The shell 1 is provided with an inlet 2 and an outlet 3 at two ends respectively, and a liquid inlet pipe 4 is connected to one side of the outer wall of the shell 1; the shell 1 is internally provided with a spiral heat exchange pipe 5; the outlet of the liquid inlet pipe 4 penetrates and extends into the inside of the shell 1 and is connected to the inlet end of the spiral heat exchange pipe 5; the outlet end of the spiral heat exchange pipe 5 is connected to a liquid outlet pipe 6, and the liquid outlet end of the liquid outlet pipe 6 penetrates and extends to the outside of the shell 1; a flow guide disc 7 is fixedly connected to one side of the inside of the shell 1 close to the inlet 2;

[0031] One end of the outlet 3 is connected to a connecting end block 8, the inlet end of the connecting end block 8 is connected to a gas inlet pipe 9 for introducing chlorine gas; the lower end surface of the shell 1 is fixedly connected to a support base 18 in a symmetrical manner; the materials of the shell 1, the spiral heat exchange pipe 5, the flow guide disc 7, the connecting end block 8 and the gas inlet pipe 9 are nickel-based alloy materials, which have good corrosion resistance and high-temperature resistance and are suitable for chlorine gas environment.

[0032] Specifically, in use, first, the gas inlet end of the gas inlet pipe 9 is connected to a chlorine gas reactor, and the liquid inlet pipe 4 and the liquid outlet pipe 6 are connected respectively; the brine to be heated is introduced into the spiral heat exchange pipe 5 through the liquid inlet pipe 4; when heat exchange is performed, the heat generated by the reaction of chlorine gas with some organic compounds or metals is introduced into the shell 1 through the gas inlet pipe 9, and the waste heat is uniformly introduced into the outside of the spiral heat exchange pipe 5 through the flow guide disc 7, so that the heat exchange operation of the brine is realized; the spiral heat exchange pipe 5 can make the path of the brine in the shell 1 longer, so that the brine stays for a longer time and has a larger contact area with the waste heat, thereby realizing uniform heating effect, improving heat transfer efficiency and enhancing heat exchange effect.

[0033] Through the above technical scheme:

[0034] The heat generated by the exothermic reaction of chlorine gas is used to heat the brine, so that the temperature of the brine can be accurately controlled; through stable heat supply and uniform temperature distribution, the stability and efficiency of the brine electrolysis can be improved, so that the yield and quality of caustic soda products can be improved, and the influence of temperature fluctuation on the electrolysis process can be avoided; in addition, the heat can be uniformly distributed in the entire heat exchanger, so that the phenomenon of local overheating is reduced, the temperature distribution of the brine in the entire heating process is ensured to be uniform, and the preheating effect and electrolysis efficiency are improved.

[0035] The utility model provides a Figures 2-4The heat exchanger device for heating salt water by using chlorine gas is provided with a sealed connection structure at the connection position of the connection end block 8 and the air inlet pipe 9, the sealed connection structure comprises a butt plug 10 fixedly connected to the connection end block 8 near one end of the air inlet pipe 9, the inner wall of the air inlet pipe 9 is provided with a butt slot 11 matched with the butt plug 10, a circular ring block 12 is fixedly connected in the groove provided on the outer wall of the connection end block 8, the outer wall of the circular ring block 12 is fixedly connected with a sealing ring 13, the air inlet pipe 9 is provided with a ring groove matched with the sealing ring 13, and one side of the circular ring block 12 is provided with an inflation assembly.

[0036] The inflation assembly comprises a ring pipe 14 embedded in the inner wall of the connection end block 8, the outer wall of the ring pipe 14 is connected with a conveying pipe 15 on one side, and the outer wall of the ring pipe 14 is connected with an inflation head 16 with a plug on the other side, and the inflation end of the inflation head 16 penetrates and extends to the outside of the connection end block 8.

[0037] Further, referring to Figure 3 and Figure 5 The butt plug 10 is provided with a fastening structure 17, the fastening structure 17 comprises an empty slot 171 provided in the inner wall of the butt plug 10, the inner bottom end of the empty slot 171 is fixedly connected with a bottom block 172, and the upper end face of the bottom block 172 is fixedly connected with an air bag 173.

[0038] The free end of the air bag 173 is connected with a T-shaped embedding block 174, the inner wall of the air inlet pipe 9 is provided with an embedding groove 175 matched with the T-shaped embedding block 174, and the gas outlet end of the conveying pipe 15 penetrates the butt plug 10 and the bottom block 172 in sequence and extends to the inside of the air bag 173.

[0039] The T-shaped embedding block 174 and the bottom block 172 are symmetrically connected with a spring 176, and the inner surface wall of the air bag 173 is fixedly connected with a foam ring plate 177.

[0040] Through the above technical scheme:

[0041] In the connecting process, first, the connecting rod 10 is connected with the connecting slot 11 and inserted, and then the sealing ring 13 outside the circular ring block 12 is set outside the connecting seam between the connecting end block 8 and the air inlet pipe 9, and then the plug of the inflation head 16 is pulled out and connected with the external inflation equipment, so that the gas enters the air bag 173 through the ring pipe 14 and the conveying pipe 15, and the inflation operation of the air bag 173 is realized, and in the inflation process, the T-shaped embedded block 174 gradually moves outward until it is inserted into the embedded groove 175, and the operation can quickly realize the close connection between the connecting end block 8 and the air inlet pipe 9, and ensure the sealing property of the connecting end, and reduce the risk of chlorine leakage, and when the air bag 173 is inflated, the foam ring plate 177 connected inside the air bag 173 will move outward with the increase of the internal pressure of the air bag 173, so as to promote the air bag 173 to expand in the vertical direction instead of the horizontal direction, and the spring 176 gradually extends, so as to ensure that the air bag 173 maintains the vertical shape during the inflation process, and in addition, when the air bag 173 is disassembled, the plug of the inflation head 16 is pulled out for deflation, and with the inward movement of the foam ring plate 177 and the elastic force of the spring 176, the T-shaped embedded block 174 is moved out of the embedded groove 175 and into the empty groove 171, and finally the connecting rod 10 is pulled out of the connecting slot 11, so that the disassembly can be quickly realized.

[0042] The above only describes some exemplary embodiments of the utility model in a manner of illustration, and it is needless to say that for ordinary skilled in the art, the described embodiments can be modified in various ways without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A heat exchanger device for heating brine using chlorine gas, characterized by, Include: The shell (1), the inlet (2) and the outlet (3) are arranged at both ends of the shell (1) respectively, and the outer wall of the shell (1) is connected with the liquid inlet pipe (4) on one side, the inside of the shell (1) is provided with the spiral heat exchange pipe (5), the outlet of the liquid inlet pipe (4) penetrates and extends to the inside of the shell (1) and is connected with the inlet end of the spiral heat exchange pipe (5), the outlet end of the spiral heat exchange pipe (5) is connected with the liquid outlet pipe (6), the liquid outlet end of the liquid outlet pipe (6) penetrates and extends to the outside of the shell (1), the inside of the shell (1) and the side close to the inlet (2) are fixedly connected with the flow guide disc (7); One end of the outlet (3) is connected with the connecting end block (8), the inlet end of the connecting end block (8) is connected with the gas inlet pipe (9) for introducing chlorine, and the connecting part of the connecting end block (8) and the gas inlet pipe (9) is provided with a sealed connection structure.

2. The heat exchanger device for heating brine using chlorine gas according to claim 1, characterized in that: The sealed connection structure includes a butt plug rod (10) fixedly connected to the connecting end block (8) close to one end of the gas inlet pipe (9), a butt slot (11) is formed in the inner wall of the gas inlet pipe (9) and matched with the butt plug rod (10), a circular ring block (12) is fixedly connected in the groove formed in the outer wall of the connecting end block (8), a sealing ring (13) is fixedly connected to the outer wall of the circular ring block (12), and an inflation assembly is arranged on one side of the circular ring block (12).

3. The heat exchanger device for heating brine using chlorine gas according to claim 2, characterized in that: The inflation assembly includes a ring pipe (14) embedded in the inner wall of the connecting end block (8), a conveying pipe (15) connected to one side of the outer wall of the ring pipe (14), and an inflation head (16) with a plug connected to the other side of the outer wall of the ring pipe (14), and the inflation end of the inflation head (16) penetrates and extends to the outside of the connecting end block (8).

4. The heat exchanger device for heating brine using chlorine gas according to claim 3, characterized in that: The butt plug rod (10) is provided with a fastening structure (17), the fastening structure (17) includes an empty slot (171) formed in the inner wall of the butt plug rod (10), the inner bottom end of the empty slot (171) is fixedly connected with a bottom block (172), and the upper end surface of the bottom block (172) is fixedly connected with an air bag (173).

5. The heat exchanger device for heating brine using chlorine gas according to claim 4, characterized in that: The free end of the air bag (173) is connected with a T-shaped embedding block (174), the inner wall of the gas inlet pipe (9) is provided with an embedding groove (175) matched with the T-shaped embedding block (174), and the gas outlet end of the conveying pipe (15) penetrates the butt plug rod (10) and the bottom block (172) in sequence and extends to the inside of the air bag (173).

6. The heat exchanger device for heating brine using chlorine gas according to claim 5, characterized in that: The T-shaped embedding block (174) and the bottom block (172) are symmetrically connected with a spring (176), and the inner wall of the air bag (173) is fixedly connected with a foam ring plate (177).

7. The heat exchanger device for heating brine using chlorine gas according to claim 1, characterized in that: The lower end surface of the shell (1) is fixedly connected with a support base (18), and the materials of the shell (1), the spiral heat exchange pipe (5), the flow guide disc (7), the connecting end block (8) and the gas inlet pipe (9) are nickel-based alloy materials.

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