Air-cooled condenser
By setting up a gas distribution chamber and spiral guide strips in the air-cooled condenser and optimizing the heat dissipation pipe structure, the problem of poor condensation effect of high-pressure and high-temperature steam was solved, and a more efficient cooling and heat exchange effect was achieved.
Patent Information
- Application Number
- CN202520344413.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing air-cooled condensers, high-pressure, high-temperature steam enters the heat dissipation pipes too quickly, resulting in poor condensation performance.
A gas distribution chamber and spiral guide strips are set in the air-cooled condenser to slow down the steam flow rate and extend the cooling path. At the same time, fins are set on the outer wall of the heat dissipation pipe to increase the contact surface and optimize the pipe gap and density.
It improves steam condensation efficiency, enhances heat exchange effect, and achieves more uniform cooling and more efficient air-cooled heat exchange.
Smart Images
Figure CN223954684U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchange equipment field, especially a kind of air-cooled condenser. BACKGROUND
[0002] The working principle of air-cooled condenser is as follows: steam enters air-cooled condenser, at this time, steam is in high pressure and high temperature state, air-cooled condenser uses airflow generated by fan to accelerate the flow of air on the surface of heat dissipation pipe assembly, transfers the heat of steam to air, thereby completing heat exchange, and gradually cools down and condenses steam in heat dissipation pipe assembly into high-pressure low-temperature liquid, which is a heat release process.
[0003] When using existing air-cooled condensing gas to condense, some problems are found, that is, because it is high-pressure steam, steam enters heat dissipation pipe in condenser at high speed, so it is often discharged without fully completing heat exchange, which results in poor condensing effect and cannot achieve expected effect, so it is necessary to improve existing air-cooled condenser. INVENTION CONTENTS
[0004] The utility model aims at providing an air-cooled condenser, to solve the problem that high-pressure high-temperature steam enters heat dissipation pipe in air-cooled condenser at too high speed, affecting condensing effect.
[0005] To solve the above technical problems, the utility model adopts the following technical solutions:
[0006] An air-cooled condenser comprises, from bottom to top, air inlet chamber, heat exchange chamber and air extraction pipe, the air inlet chamber is provided with constant temperature exchanger, the middle part of the heat exchange chamber is heat exchange cavity, the two sides of the heat exchange cavity are accessory cavities, the top and bottom of the heat exchange cavity are communicated with air extraction pipe and air inlet chamber respectively, the heat exchange cavity is provided with heat dissipation pipe assembly, the pipe of the heat dissipation pipe assembly is provided with flow guide strip, the flow guide strip is spirally arranged along the inner wall of pipe body, the heat dissipation pipe assembly comprises air inlet heat dissipation pipe section and other heat dissipation pipe sections, the air inlet end of the air inlet heat dissipation pipe section is connected with gas distribution chamber arranged on the upper part of one accessory cavity, the gas distribution chamber is connected with steam inlet, the air outlet end of the air inlet heat dissipation pipe section is connected with condensate water collection bin arranged on the upper part of the other accessory cavity, the other heat dissipation pipe sections are arranged below the air inlet heat dissipation pipe section, the two ends of the other heat dissipation pipe sections are respectively connected with condensate water collection bins arranged in the accessory cavities on the two sides of the heat exchange cavity, the condensate water collection bin at the bottom is connected with liquid outlet pipe through pipe, and the air extraction pipe is provided with air extractor at air inlet.
[0007] In the present scheme, the gas distribution chamber is arranged at the upper part of the accessory cavity, and since it is a larger cavity, the flow rate of high-temperature and high-pressure steam will slow down after entering the cavity, and the static pressure distribution effect can be achieved, so compared with directly connecting the steam pipe with the heat dissipation pipe, the steam entering the heat dissipation pipe has a slower and more uniform flow rate, and can be better cooled, and the cooled liquid water will flow into the condensate collection bin along the heat dissipation pipe assembly, and finally be collected in the condensate collection bin at the bottom, and then enter the constant-temperature exchanger, and the air flow in the air suction pipe can be accelerated by the air suction fan, so that the heat dissipation pipe assembly in the heat exchange cavity can realize rapid air cooling heat exchange, and the spiral flow guide strips arranged in the pipe of the heat dissipation pipe assembly can prolong the conveying distance in the pipe, so that the steam in the pipe can be more fully cooled through a longer cooling path.
[0008] As a further preferred embodiment of the present application, the air inlet chamber is provided with air inlets on both sides.
[0009] As a further preferred embodiment of the present application, the pipe of the heat dissipation pipe assembly is provided with fins on the outer wall.
[0010] The fins arranged on the outer wall of the pipe of the heat dissipation pipe assembly can increase the contact area and improve the heat exchange efficiency.
[0011] As a further preferred embodiment of the present application, the gap between the pipes of the heat dissipation pipe assembly is 55-65mm.
[0012] The gap is determined according to the steam temperature at different positions.
[0013] As a further preferred embodiment of the present application, the pipes of the heat dissipation pipe assembly are arranged alternately left and right from top to bottom, and the inclination angle is 4-6°.
[0014] As a further preferred embodiment of the present application, the density of the pipe arrangement of the heat dissipation pipe assembly gradually decreases from top to bottom.
[0015] The arrangement density is also determined according to the steam temperature at different positions.
[0016] Compared with the prior art, the present application can at least achieve one of the following beneficial effects:
[0017] 1、In this scheme, the upper part of the accessory cavity is provided with a gas distribution chamber, because it is a larger chamber, so the high temperature and high pressure steam will slow down the flow rate after entering it, which can achieve the effect of static pressure gas distribution, so compared with directly connecting the steam pipe with the heat dissipation pipe, the steam entering the heat dissipation pipe has slower and more uniform flow rate, which can be better cooled, and the cooled liquid water will flow into the condensate collection bin along the heat dissipation pipe assembly, and finally be collected in the bottom condensate collection bin, and then enter the constant temperature exchanger, the air flow in the air suction pipe can be accelerated by the air suction fan, so that the heat dissipation pipe assembly in the heat exchange cavity can realize rapid air cooling heat exchange.
[0018] 2、The fins arranged on the outer wall of the pipe of the heat dissipation pipe assembly can increase the contact area and improve the heat exchange efficiency.
[0019] 3、The spiral flow guide strips arranged in the pipe of the heat dissipation pipe assembly can prolong the conveying distance in the pipe, so that the steam in the pipe can be more fully cooled through a longer cooling path.
[0020] 4、The gap between the pipes of the heat dissipation pipe assembly is determined according to the steam temperature at different positions.
[0021] 5、The pipe arrangement density of the heat dissipation pipe assembly is also determined according to the steam temperature at different positions. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a structural schematic view of the utility model. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.
[0025] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0026] It should be noted that like numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it should not require further defining and explaining in subsequent views.
[0027] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, or it is the orientation or position relation that the utility model product uses usually, or it is the orientation or position relation that the person skilled in the art usually understands, just is for the convenience of describing the utility model and simplifying the description, and therefore can not be understood as indicating or implying that the device or element must have a particular orientation, construct and operate with a particular orientation, and therefore can not be understood as limiting the utility model.In addition, the terms "first", "second" and the like are only used for differentiation, and can not be understood as indicating or implying relative importance.
[0028] In the description of the utility model, it also needs to explain that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements.The above-mentioned terms in the utility model can be understood according to the specific meaning of the specific circumstances for the person skilled in the art. Specific embodiment 1:
[0030] Figure 1 A kind of air-cooled condenser is shown, including air inlet chamber 1, heat exchange chamber 2 and exhaust duct 3 sequentially from bottom to top, the air inlet chamber 1 is equipped with thermostatic exchanger 4, the middle part in the heat exchange chamber 2 is heat exchange cavity 21, the both sides of heat exchange cavity 21 are accessory cavity 22, the top and bottom of heat exchange cavity 21 are communicated with exhaust duct 3 and air inlet chamber 1 respectively, heat dissipation pipe assembly 5 is equipped in heat exchange cavity 21, flow guide strip is equipped in the pipeline of heat dissipation pipe assembly 5, the flow guide strip is spirally arranged along the inner wall of pipe body, heat dissipation pipe assembly 5 includes air inlet heat dissipation pipe section 51 and other heat dissipation pipe sections 52, the air inlet end of air inlet heat dissipation pipe section 51 is connected with gas distribution chamber 6 arranged in the upper portion of one side accessory cavity 22, the gas distribution chamber 6 is connected with steam inlet, the air outlet end of air inlet heat dissipation pipe section 51 is connected with condensate water collection bin 7 arranged in the upper portion of the other side accessory cavity 22, other heat dissipation pipe sections 52 are arranged below air inlet heat dissipation pipe section 51, other heat dissipation pipe sections 52 are connected with condensate water collection bin 7 arranged in the both sides accessory cavity 22 of heat exchange cavity 21 respectively, the condensate water collection bin 7 located at the bottom is connected with liquid outlet pipe, and exhaust fan 8 is arranged at the air inlet of exhaust duct 3.
[0031] In the present scheme, a gas distribution chamber is arranged in the upper part of the accessory cavity. Since it is a larger chamber, the flow rate of high-temperature and high-pressure steam will slow down after entering it, and it can achieve the effect of static pressure distribution. Therefore, compared with directly connecting the steam pipe with the heat dissipation pipe, the steam entering the heat dissipation pipe has a slower and more uniform flow rate, which can be better cooled. The cooled water will flow into the condensate collection bin along the heat dissipation pipe assembly, and then into the constant temperature exchanger. The air flow in the air extraction pipe can be accelerated by the air extractor, so that the heat dissipation pipe assembly in the heat exchange cavity can achieve rapid air cooling heat exchange. The spiral flow guide strips arranged in the pipe of the heat dissipation pipe assembly can extend the conveying distance in the pipe, so that the steam in the pipe can be more fully cooled through a longer cooling path. Specific embodiment 2:
[0033] This embodiment is a further description of the air inlet chamber 1 based on specific embodiment 1. The air inlet chamber 1 is provided with air inlets on both sides. Specific embodiment 3:
[0035] This embodiment is a further description of the heat dissipation pipe assembly 5 based on specific embodiment 1. The outer wall of the pipe of the heat dissipation pipe assembly 5 is provided with fins.
[0036] The fins arranged on the outer wall of the pipe of the heat dissipation pipe assembly can increase the contact area and improve the heat exchange efficiency. Specific embodiment 4:
[0038] This embodiment is a further description of the heat dissipation pipe assembly 5 based on specific embodiment 1. The gap between the pipes of the heat dissipation pipe assembly 5 is 55-65mm.
[0039] Such a gap is determined according to the steam temperature at different positions. Specific embodiment 5:
[0041] This embodiment is a further description of the heat dissipation pipe assembly 5 based on specific embodiment 1. The pipes of the heat dissipation pipe assembly 5 are alternately and downwardly arranged from top to bottom, and the inclination angle is 4-6°. Specific embodiment 6:
[0043] This embodiment is a further description of the heat dissipation pipe assembly 5 based on specific embodiment 1. The density of the pipe arrangement of the heat dissipation pipe assembly 5 gradually decreases from top to bottom.
[0044] Such a arrangement density is also determined according to the steam temperature at different positions.
[0045] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An air-cooled condenser characterized by: The utility model provides a heat exchange device, including from bottom to top the air inlet chamber (1) that sets gradually, heat exchange chamber (2) and exhaust pipe (3) in proper order, the air inlet chamber (1) is equipped with thermostatic exchanger (4), the middle part in heat exchange chamber (2) is heat exchange cavity (21), the both sides of heat exchange cavity (21) are accessory cavity (22), the top and bottom of heat exchange cavity (21) are communicated with exhaust pipe (3) and air inlet chamber (1) respectively, heat exchange cavity (21) is equipped with heat dissipation pipe subassembly (5), the pipeline of heat dissipation pipe subassembly (5) is equipped with flow guide strip, flow guide strip is spirally arranged along the inner wall of pipe body, heat dissipation pipe subassembly (5) includes air inlet heat dissipation pipe section (51) and other heat dissipation pipe section (52), the air inlet of air inlet heat dissipation pipe section (51) is connected with the gas distribution chamber (6) of being set in one side accessory cavity (22) upper portion, the gas distribution chamber (6) is connected with steam import, the air outlet of air inlet heat dissipation pipe section (51) is connected with the condensate collection bin (7) of being set in the other side accessory cavity (22) upper portion, other heat dissipation pipe section (52) is set in the lower of air inlet heat dissipation pipe section (51), and other heat dissipation pipe section (52) both ends are connected with the condensate collection bin (7) of being set in the both sides accessory cavity (22) in heat exchange cavity (21), and the condensate collection bin (7) of being located the bottom is connected with liquid outlet pipe, and the air inlet of exhaust pipe (3) is equipped with exhaust fan (8).
2. The air-cooled condenser of claim 1, wherein: The both sides of the air inlet chamber (1) are equipped with air inlet.
3. The air-cooled condenser of claim 1, wherein: The outer wall of the pipeline of the heat dissipation pipe subassembly (5) is equipped with fin.
4. The air-cooled condenser of claim 1, wherein: The gap between the pipelines of the heat dissipation pipe subassembly (5) is 55-65mm.
5. The air-cooled condenser of claim 1, wherein: The pipelines of the heat dissipation pipe subassembly (5) are alternately and obliquely arranged from top to bottom, and the oblique angle is 4-6°.
6. The air-cooled condenser of claim 1, wherein: The density of the pipeline arrangement of the heat dissipation pipe subassembly (5) gradually decreases from top to bottom.