CN220270126U - Non-condensing structure of arranging of standpipe evaporimeter - Google Patents
Non-condensing structure of arranging of standpipe evaporimeter Download PDFInfo
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- CN220270126U CN220270126U CN202321486180.XU CN202321486180U CN220270126U CN 220270126 U CN220270126 U CN 220270126U CN 202321486180 U CN202321486180 U CN 202321486180U CN 220270126 U CN220270126 U CN 220270126U
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- condensing
- central exhaust
- heat exchanger
- exhaust pipe
- standpipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000009828 non-uniform distribution Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 239000011552 falling film Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a non-condensing structure of a standpipe evaporator, which belongs to the technical field of heat exchangers and comprises a heat exchanger, wherein a group of central exhaust pipes are arranged in the center of a heat exchanger tube bundle, an upper tube plate is arranged at the upper end of each central exhaust pipe, the central exhaust pipes are in welded sealing connection with the upper tube plate, and the lower end of each central exhaust pipe penetrates through a lower tube plate and is connected with a condensed water outer tube. The non-condensing water in the heat exchanger is converged into the condensate tank through the central exhaust pipe for discharge, and the non-condensing water in different sections and different distributions can enter the condensate tank through the central exhaust pipe for discharge, so that the problem of insufficient steam discharge caused by non-uniform distribution of the non-condensing water is effectively solved; after the congealable heating steam sucked in the process of non-condensing steam discharge enters the condensing tank, the plate heat exchanger arranged on the discharge pipeline of the condensing tank can preheat raw water, so that heat recovery is realized.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a non-condensing structure of a standpipe evaporator.
Background
The non-condensing steam is non-condensed gas in the steam of the evaporator, and when the steam of the evaporator is condensed and convected to transfer heat, the non-condensing steam is condensed and convected to transfer heat, and when the non-condensing steam exists, the non-condensing steam is condensed and convected to transfer heat, so that the non-condensing steam in the evaporator needs to be discharged in time.
FIG. 1 shows a core plant standpipe falling film evaporator in a standpipe falling film evaporation system, with the heat exchange section being an upper heater. The conventional practice is to arrange non-condensing exhaust pipes A and B at the two ends of the heater, ensure heat exchange efficiency by discharging non-condensing water to the outside through a vacuum pump, and discharge the condensed water through a connecting pipe C. However, in large-scale equipment, the length of the tube bundle is more than 10 meters, the non-condensing air is unevenly distributed in the shell of the heat exchanger in the evaporator, and the existing non-condensing air discharging structure is difficult to achieve a good non-condensing air discharging effect.
Disclosure of Invention
The utility model aims to provide a non-condensing structure of a standpipe evaporator, which aims to solve the problem of the prior coupling in the use process in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the non-condensing structure of the vertical tube evaporator comprises a heat exchanger, wherein a group of central exhaust pipes are arranged in the center of a heat exchanger tube bundle, an upper tube plate is arranged at the upper end of each central exhaust pipe, the central exhaust pipes are in welded sealing connection with the upper tube plate, the lower end of each central exhaust pipe penetrates through the lower tube plate and is connected with a condensate outer exhaust pipe, a plurality of groups of exhaust small holes are formed in the central exhaust pipe, and the exhaust small holes are distributed at different heights of the condensate outer exhaust pipe;
the lower tube plate is arranged on the inner side of the condensate tank, and the inside of the condensate tank is arranged on a non-condensing calandria connected with the outside.
Preferably, the non-condensing ducts are provided with a plurality of groups, and the non-condensing ducts are arranged on the upper side of the lower tube plate.
Preferably, the condensate tank is connected with a plate heat exchanger.
Preferably, the central exhaust pipe is made of stainless steel.
Compared with the prior art, the utility model has the beneficial effects that:
the non-condensing water in the heat exchanger is converged into the condensate tank through the central exhaust pipe for discharge, and the non-condensing water in different sections and different distributions can enter the condensate tank through the central exhaust pipe for discharge, so that the problem of insufficient steam discharge caused by non-uniform distribution of the non-condensing water is effectively solved; after the congealable heating steam sucked in the process of non-condensing steam discharge enters the condensing tank, the plate heat exchanger arranged on the discharge pipeline of the condensing tank can preheat raw water, so that heat recovery is realized.
Drawings
FIG. 1 is a schematic view of a conventional evaporator;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic view of the outer structure of the condensate tank of the present utility model;
FIG. 4 is a schematic diagram of the distribution of the exhaust holes on the central exhaust pipe according to the present utility model.
In the figure: 1. a heat exchanger; 2. a central exhaust pipe; 3. an upper tube sheet; 4. a lower tube sheet; 5. a water condensation tank; 6. a condensed water outer drain pipe; 7. an exhaust aperture; 8. and a non-condensing drain pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a non-condensing structure of a standpipe evaporator comprises a heat exchanger 1, wherein a group of central exhaust pipes 2 are arranged in the center of a tube bundle of the heat exchanger 1, an upper tube plate 3 is arranged at the upper end of the central exhaust pipes 2, the central exhaust pipes 2 are in welded sealing connection with the upper tube plate 3, the lower end of the central exhaust pipes 2 penetrates through a lower tube plate 4 and is connected with a condensate outer drain pipe 6, a plurality of groups of exhaust small holes 7 are formed in the central exhaust pipes 2, and the groups of exhaust small holes 7 are distributed at different heights of the condensate outer drain pipe 6;
the lower tube plate 4 is arranged on the inner side of the condensation tank 5, and the condensation tank 5 is internally arranged in an externally connected non-condensing calandria 8.
Aiming at the problem that the non-condensing gas discharging structure of the existing large-sized evaporator cannot sufficiently discharge non-condensing gas in the heat exchanger 1, the scheme is characterized in that a group of central exhaust pipes 2 are arranged in the center of the heat exchanger 1, the central exhaust pipes 2 cover each section of the heat exchanger 1 downwards, and the internal non-condensing gas can be converged into a condensation tank 5 through exhaust small holes 7 and then discharged through non-condensing gas pipes 8; the exhaust small holes 7 are formed in the central exhaust pipe 2 at different heights, and the non-condensing gases with different sections and different distributions can enter the condensate tank 5 through the central exhaust pipe 2 and are discharged, so that the problem of insufficient steam discharge caused by non-uniform distribution of the non-condensing gases is effectively solved.
Further, the non-condensing ducts 8 are provided with a plurality of groups, and the non-condensing ducts 8 are all arranged on the upper side of the lower tube plate 4.
Through this technical scheme, multiunit non-condensing calandria 8 can be effectively with gathering the non-condensing exhaust in condensation tank 5, and multiunit non-condensing calandria 8 is based on the exhaust demand exhaust, under low load exhaust operating mode, only needs a set of non-condensing calandria 8 outwards to discharge non-condensing.
Further, a plate heat exchanger 1 is connected to the condensate tank 5.
The plate heat exchanger 1 is not shown in the figure, in this scheme, the central exhaust pipe 2 can also be with more condensable heating steam outward emission when having promoted the ability of arranging non-condensing, but this structure is although the condensable heating steam outward displacement increases to some extent compared with old structure, but this part can congeal heating steam after getting into the water condensation tank 5, and the plate heat exchanger 1 of setting at water condensation tank 5 calandria way can preheat for raw materials water, realizes heat recovery.
Further, the central exhaust pipe 2 is made of stainless steel.
By the technical scheme, the central exhaust pipe 2 is made of stainless steel, and is anti-rust and anti-corrosion.
Working principle: the central exhaust pipe 2 covering different sections of the heat exchanger 1 is arranged, the central exhaust pipe 2 is used for covering each section of the heat exchanger 1, the internal non-condensing steam can be converged into the condensate tank 5 through the exhaust small holes 7 and discharged through the non-condensing steam discharge pipe 8, and the non-condensing steam with different sections and different distribution can enter the condensate tank 5 through the central exhaust pipe 2 and be discharged, so that the problem of insufficient steam discharge caused by non-condensing steam distribution is effectively solved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (4)
1. The utility model provides a row non-condensing structure of standpipe evaporimeter which characterized in that: the heat exchanger comprises a heat exchanger, wherein a group of central exhaust pipes are arranged in the center of a heat exchanger tube bundle, an upper tube plate is arranged at the upper end of each central exhaust pipe, the central exhaust pipes are in welded sealing connection with the upper tube plate, the lower ends of the central exhaust pipes penetrate through the lower tube plate and are connected with a condensate water outer exhaust pipe, a plurality of groups of exhaust small holes are formed in the central exhaust pipes, and the exhaust small holes are distributed at different heights of the condensate water outer exhaust pipe;
the lower tube plate is arranged on the inner side of the condensate tank, and the inside of the condensate tank is arranged on a non-condensing calandria connected with the outside.
2. The condenser-removing structure of a standpipe evaporator as set forth in claim 1, wherein: the non-condensing calandria is provided with the multiunit, and multiunit non-condensing calandria all sets up in the upside of lower tube sheet.
3. The condenser-removing structure of a standpipe evaporator as set forth in claim 1, wherein: the condensate tank is connected with a plate heat exchanger.
4. The condenser-removing structure of a standpipe evaporator as set forth in claim 1, wherein: the central exhaust pipe is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321486180.XU CN220270126U (en) | 2023-06-12 | 2023-06-12 | Non-condensing structure of arranging of standpipe evaporimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321486180.XU CN220270126U (en) | 2023-06-12 | 2023-06-12 | Non-condensing structure of arranging of standpipe evaporimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270126U true CN220270126U (en) | 2023-12-29 |
Family
ID=89317048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321486180.XU Active CN220270126U (en) | 2023-06-12 | 2023-06-12 | Non-condensing structure of arranging of standpipe evaporimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270126U (en) |
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2023
- 2023-06-12 CN CN202321486180.XU patent/CN220270126U/en active Active
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