CN216203278U - Vertical low-pressure heater with built-in immersed type cool dispersing section - Google Patents
Vertical low-pressure heater with built-in immersed type cool dispersing section Download PDFInfo
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- CN216203278U CN216203278U CN202122232364.0U CN202122232364U CN216203278U CN 216203278 U CN216203278 U CN 216203278U CN 202122232364 U CN202122232364 U CN 202122232364U CN 216203278 U CN216203278 U CN 216203278U
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Abstract
The utility model relates to the field of an immersed type cooling and dredging low-pressure heater, in particular to a vertical low-pressure heater with an embedded immersed type cooling and dredging section, which comprises a cooling and dredging section, wherein one side below the cooling and dredging section is provided with an air inlet pipe for leading cooling and dredging steam to enter the cooling and dredging section, and the middle part of the inner side of the cooling and dredging section is vertically provided with a guide pipe for carrying out cooling and dewatering in the cooling and dredging section, and the vertical low-pressure heater has the advantages that: according to the utility model, through the practical immersed type cooling dredging section, the cooling sufficiency of condensed water on drainage is improved, the heat exchange effect of the condensed water is enhanced, and through the arrangement of the inclined air inlet pipe, steam entering the cooling dredging section is rotated to form a vortex, so that the heat effect of a cooling ring is more uniform, the heat efficiency of the cooling ring is greatly enhanced, and through the arrangement of the one-way circulating device, the cooling steam in the cooling dredging section cannot flow outwards through the air inlet pipe, so that the efficiency reduction and the energy loss caused by the outflow of the cooling steam are avoided.
Description
Technical Field
The utility model relates to the field of an immersed type cooling and dredging low-pressure heater, in particular to a vertical low-pressure heater with an embedded immersed type cooling and dredging section.
Background
The low-pressure heater is an important auxiliary equipment of thermal power plant, and its function is to utilize the steam heater which can make partial work in the steam turbine to heat feed water and raise the temp. of condensed water. Because the steam extraction of the steam turbine heats the feed water in the heater, the heat dissipation loss in the condenser is reduced, so that the orderly heat is fully utilized, and the heat cycle efficiency of the whole unit is improved.
At present, a conventional vertical low-pressure heater adopts a siphon type hydrophobic cooling section as a hydrophobic cooling section, the cladding of the hydrophobic cooling section is a semi-cladding, condensed water passing through the hydrophobic cooling section is partial flow, the condensed water is insufficient in cooling hydrophobic water, and the heat exchange effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical low-pressure heater with a built-in immersed type cooling dispersing section, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: vertical low pressure heater of built-in submergence formula sparse cold section in area, including sparse cold section, the below one side of sparse cold section is provided with the intake pipe that makes sparse cold steam get into sparse cold section, the inboard middle part of sparse cold section is vertical to be provided with and carries out hydrophobic refrigerated honeycomb duct in sparse cold section, the inside level of sparse cold section is provided with the solid fixed ring at sparse cold section middle part with the honeycomb duct centre gripping of a plurality of is fixed, the outside of intake pipe is provided with the one-way circulation device that prevents the outside outflow of sparse cold steam in sparse cold section, intake pipe and the mutual UNICOM of below outer wall of sparse cold section, and junction between them sets up the angle of inclination of a non ninety degrees.
Preferably, the fixing ring comprises a fixing rod, a clamping block and a stud, the fixing ring is uniformly distributed in the cooling section, and the middle parts of the left side and the right side of the fixing ring are fixedly connected with the inner walls of the left side and the right side of the cooling section through the fixing rod.
Preferably, the left inner side and the right inner side of the fixing ring are slidably connected with clamping blocks for clamping and fixing the guide pipe, and the middle part of the outer side of each clamping block is rotatably connected with the end part of the inner side of the stud through a bearing.
Preferably, a thread groove is formed in the fixing rod, the stud horizontally penetrates through the thread groove in the middle of the fixing rod and is in threaded connection with the fixing rod, and the end of the outer side of the stud penetrates through the outer wall of the cooling drainage section and is connected with the rotating device.
Preferably, the one-way circulation device comprises a sliding cylinder, a supporting plate, an air hole, a sealing ring and a spring, a slide way is arranged on the right side of the one-way circulation device, and the right side end of the slide way is fixedly connected with the left side of the air inlet pipe and communicated with the left side of the air inlet pipe.
Preferably, a slide cylinder is movably connected with the inner water level of the right slide way of the one-way circulation device, a resisting plate is fixedly connected with the right end part of the slide cylinder and is in sealing connection with the slide cylinder, and a plurality of air holes which are uniformly distributed are formed in the middle part of the slide cylinder.
Preferably, a sealing ring is arranged on the inner wall of the left side of the one-way circulation device, and the right side of the sealing ring is connected with the outer side of the abutting plate in a sealing manner.
Preferably, the outer wall of the left side of the sliding barrel is fixedly connected with a connecting plate, the left side of the connecting plate is fixedly connected with the end part of the right side of the spring, and the left end of the spring is fixedly connected with the inner wall of the left side of the one-way circulation device.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the practical immersed type cooling dredging section, the cooling sufficiency of condensed water on drainage is improved, the heat exchange effect of the condensed water is enhanced, and through the arrangement of the inclined air inlet pipe, steam entering the cooling dredging section is rotated to form a vortex, so that the heat effect of a cooling ring is more uniform, the heat efficiency of the cooling ring is greatly enhanced, and through the arrangement of the one-way circulating device, the cooling steam in the cooling dredging section cannot flow outwards through the air inlet pipe, so that the efficiency reduction and the energy loss caused by the outflow of the cooling steam are avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a structural view at a in fig. 1.
In the figure: the device comprises a cooling dredging section 1, an air inlet pipe 11, a flow guide pipe 2, a fixing ring 3, a fixing rod 31, a clamping block 32, a stud 33, a one-way circulation device 4, a sliding cylinder 41, a resisting plate 42, an air hole 43, a sealing ring 44 and a spring 45.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the vertical low-pressure heater with the built-in immersed type sparse cooling section comprises a sparse cooling section 1, wherein an air inlet pipe 11 for enabling sparse cooling steam to enter the sparse cooling section 1 is arranged on one side below the sparse cooling section 1.
The middle part of the inner side of the cooling dredging section 1 is vertically provided with a guide pipe 2 for carrying out drainage cooling in the cooling dredging section 1, and the inside of the cooling dredging section 1 is horizontally provided with a plurality of fixing rings 3 for clamping and fixing the guide pipe 2 in the middle of the cooling dredging section 1.
The outside of the air inlet pipe 11 is provided with a one-way circulation device 4 for preventing the lyophobic steam in the lyophobic section 1 from flowing out.
The air inlet pipe 11 is communicated with the lower outer wall of the cooling section 1, and the joint of the air inlet pipe and the cooling section is set to be an inclined angle of non-ninety degrees.
The fixing ring 3 comprises a fixing rod 31, a clamping block 32 and a stud 33, the fixing ring 3 is uniformly distributed in the cooling section 1, and the middle parts of the left side and the right side of the fixing ring 3 are fixedly connected with the inner walls of the left side and the right side of the cooling section 1 through the fixing rod 31.
The left inner side and the right inner side of the fixing ring 3 are slidably connected with clamping blocks 32 for clamping and fixing the guide pipe 2, and the middle part of the outer side of each clamping block 32 is rotatably connected with the end part of the inner side of the stud 33 through a bearing.
The fixing rod 31 is internally provided with a thread groove, the stud 33 horizontally penetrates through the thread groove in the middle of the fixing rod 31 and is in threaded connection with the fixing rod 31, and the outer side end of the stud 33 penetrates through the outer wall of the cooling drainage section 1 and is connected with a rotating device.
The one-way circulation device 4 comprises a sliding cylinder 41, a resisting plate 42, an air hole 43, a sealing ring 44 and a spring 45, a slide way is arranged on the right side of the one-way circulation device 4, and the right end of the slide way is fixedly connected with and communicated with the left side of the air inlet pipe 11.
A slide cylinder 41 is connected horizontally and smoothly in a right slide way of the one-way circulation device 4, a resisting plate 42 is fixedly connected to the right end of the slide cylinder 41, the resisting plate 42 is hermetically connected with the slide cylinder 41, and a plurality of air holes 43 which are uniformly distributed are formed in the middle of the slide cylinder 41.
The inner wall of the left side of the one-way circulation device 4 is provided with a sealing ring 44, and the right side of the sealing ring 44 is connected with the outer side of the abutting plate 42 in a sealing way.
The outer wall of the left side of the sliding cylinder 41 is fixedly connected with a connecting plate, the left side of the connecting plate is fixedly connected with the end part of the right side of the spring 45, and the left end of the spring 45 is fixedly connected with the inner wall of the left side of the one-way circulation device 4.
The working principle is as follows: the studs 33 on the upper side and the lower side of the cooling section 1 are respectively rotated anticlockwise, so that the studs 33 drive the clamping blocks 32 to move outwards, and the middle of the fixing ring 3 is left.
The draft tube 2 is horizontally inserted into the cooling section 1 and passes through the middle part of the fixed ring 3.
The stud 33 is grabbed clockwise to drive the clamping block 32 to slide towards the inner side of the fixing ring 3 until the guide pipe 2 is stably fixed in the middle of the cooling dredging section 1.
The upper side and the lower side of the cold dredging section 1 are connected with the connecting plates to fix the cold dredging section 1 at the cold dredging position of the low-pressure heater, and cold dredging steam is injected into the cold dredging section 1 through the air inlet pipe 11.
Due to the inclined arrangement of the air inlet pipe 11, the steam entering the sparse cooling section 1 rotates around the draft tube 2 to form a vortex, so that the cooling efficiency is improved.
The steam outside the air inlet pipe 11 moves into the cooling section 1 through the air pump, and after entering the sliding cylinder 41, the pushing plate 42 is pushed rightwards to drive the sliding cylinder 41 to slide rightwards.
Until the air hole 43 slides to the right side of the sealing ring 44, the air pressure at the left side of the air hole is larger than that at the right side due to the external air pump arranged at the right side of the air inlet pipe 11, so that the steam flows into the cooling section 1.
When no steam enters the outside of the air inlet pipe 11, the sliding cylinder 41 slides to the left under the action of the spring 45, and the abutting plate 42 and the sealing ring 44 are closed, namely, the steam in the cooling section 1 cannot be discharged from the air inlet pipe 11 at the moment, so that the backflow of the cooling steam is prevented, and the cooling efficiency is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Vertical low pressure feed water heater of sparse cold section of built-in submergence formula in area, including sparse cold section (1), its characterized in that: the utility model discloses a cooling device, including dredging cold section (1), the inboard middle part of dredging cold section (1) is provided with intake pipe (11) that make dredging cold steam get into dredging cold section (1), the inboard middle part of dredging cold section (1) is vertical to be provided with and carries out drainage refrigerated honeycomb duct (2) in dredging cold section (1), dredging cold section (1) inside level is provided with a plurality of and fixes honeycomb duct (2) centre gripping solid fixed ring (3) in dredging cold section (1) middle part, the outside of intake pipe (11) is provided with prevents to dredge the outside one-way circulation device (4) that flows out of cold steam in dredging cold section (1), intake pipe (11) and the below outer wall of dredging cold section (1) UNICOM each other, and junction between them sets up to the angle of inclination of a non ninety degrees.
2. The vertical low pressure heater with the built-in submerged subcooling section of claim 1, wherein: the fixing ring (3) comprises a fixing rod (31), a clamping block (32) and a stud (33), the fixing ring (3) is uniformly distributed in the cooling section (1), and the middle parts of the left side and the right side of the fixing ring (3) are fixedly connected with the inner walls of the left side and the right side of the cooling section (1) through the fixing rod (31).
3. The vertical low pressure heater with the built-in submerged subcooling section of claim 2, wherein: the left inner side and the right inner side of the fixing ring (3) are slidably connected with clamping blocks (32) which clamp and fix the guide pipe (2), and the middle of the outer side of each clamping block (32) is rotatably connected with the end part of the inner side of the stud (33) through a bearing.
4. The vertical low pressure heater with the built-in submerged subcooling section of claim 3, wherein: the inner part of the fixing rod (31) is provided with a thread groove, the stud (33) horizontally penetrates through the thread groove in the middle of the fixing rod (31) and is in threaded connection with the fixing rod (31), and the outer side end of the stud (33) penetrates through the outer wall of the cooling dispersing section (1) and is connected with the rotating device.
5. The vertical low pressure heater with the built-in submerged subcooling section of claim 1, wherein: the one-way circulation device (4) comprises a sliding cylinder (41), a supporting plate (42), an air hole (43), a sealing ring (44) and a spring (45), a slide way is arranged on the right side of the one-way circulation device (4), and the right side end of the slide way is fixedly connected with the left side of the air inlet pipe (11) and communicated with the left side of the air inlet pipe.
6. The vertical low pressure heater with the built-in submerged subcooling section of claim 5, wherein: the horizontal sliding connection has a slide section of thick bamboo (41) in the right side slide of one-way circulation device (4), and the right side tip fixedly connected with of slide section of thick bamboo (41) supports board (42), supports board (42) and slide section of thick bamboo (41) sealing connection, and slide section of thick bamboo (41) middle part is provided with a plurality of evenly distributed's gas pocket (43).
7. The vertical low pressure heater with the built-in submerged subcooling section of claim 6, wherein: and a sealing ring (44) is arranged on the inner wall of the left side of the one-way circulation device (4), and the right side of the sealing ring (44) is hermetically connected with the outer side of the abutting plate (42).
8. The vertical low pressure heater with the built-in submerged subcooling section of claim 6, wherein: the outer wall of the left side of the sliding barrel (41) is fixedly connected with a connecting plate, the left side of the connecting plate is fixedly connected with the end part of the right side of the spring (45), and the left end of the spring (45) is fixedly connected with the inner wall of the left side of the one-way circulation device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232364.0U CN216203278U (en) | 2021-09-15 | 2021-09-15 | Vertical low-pressure heater with built-in immersed type cool dispersing section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232364.0U CN216203278U (en) | 2021-09-15 | 2021-09-15 | Vertical low-pressure heater with built-in immersed type cool dispersing section |
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| Publication Number | Publication Date |
|---|---|
| CN216203278U true CN216203278U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122232364.0U Active CN216203278U (en) | 2021-09-15 | 2021-09-15 | Vertical low-pressure heater with built-in immersed type cool dispersing section |
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|---|---|
| CN (1) | CN216203278U (en) |
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2021
- 2021-09-15 CN CN202122232364.0U patent/CN216203278U/en active Active
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