CN205227794U - Continuous type gas preheater - Google Patents
Continuous type gas preheater Download PDFInfo
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- CN205227794U CN205227794U CN201521113906.0U CN201521113906U CN205227794U CN 205227794 U CN205227794 U CN 205227794U CN 201521113906 U CN201521113906 U CN 201521113906U CN 205227794 U CN205227794 U CN 205227794U
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- China
- Prior art keywords
- heating zone
- preliminary heating
- end cover
- continuous type
- interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a continuous type gas preheater, including upper end cover, bottom end cover and preheating layer, be connected with steam inlet on the upper end cover, be connected with condensate outlet on the bottom end cover, last gas feed and the gas outlet of being connected with respectively of preheating layer is equipped with the connecting pipe between the preheating layer, all be equipped with the controller on the connecting pipe, the controller includes connecting rod, motor, transmission, driving tooth axle and driven tooth axle, and the small end is connected with first interface stopper and second interface stopper respectively with the lower extreme, and transmission is connected to the motor, and transmission connects the driving tooth axle, driving tooth axle and driven tooth axle intermeshing, and driven tooth axle is located on the connecting rod. From top to bottom divide into four layers preheating layer with the pre -heater, with the help of connecting pipe series connection four layers preheating layer for wait to preheat gas and from bottom to top loop through quartic preheating layer, realize preheating at this in -process. And draw the entry control ware in the connecting pipe, and with the help of the controller control of gases velocity of flow, can reach different preheating temperature, guarantee gaseous result of use.
Description
Technical field
The utility model relates to a kind of preheater, especially relates to a kind of continuous type gas preheater.
Background technology
Gas preheater is used for coal-fired power station boiler.Can be divided into box type, swinging two kinds, wherein swinging is divided into again fan housing swinging and heating surface swinging two kinds.Bobbin carriage preheater operation principle is: adopt flue gas to flow through from bobbin carriage outside, air passes through from bobbin carriage inside, by temperature difference different heat transfer.Identical with the principle such as economizer, superheater.The operation principle of rotary preheater is: preheater rotor part is made up of the heat transfer element of tens thousand of meter, and when air preheater slow circumvolve, flue gas and the reverse alternating current of air are through air preheater.Heat accumulating element absorbs heat in fume side, in air side heat release, thus reaches reduction exhaust gas temperature, improves the pre-heat effect of hot blast temperature.
Existing preheater is difficult to control preheating time, thus affects preheat temperature, when needing to reach higher preheat temperature, being often difficult to realize, and then affecting the result of use of gas.
Utility model content
The purpose of this utility model is to provide a kind of continuous type gas preheater, preheater is from top to bottom divided into four layers of preliminary heating zone, to connect four layers of preliminary heating zone by tube connector, make to treat preheating gas from bottom to top successively by four preliminary heating zones, realize preheating in this process.And controller is introduced in tube connector, control gas flow rate by controller, different preheat temperatures can be reached, ensure the result of use of gas.
In order to solve the problems of the technologies described above, adopt following technical scheme:
A kind of continuous type gas preheater, comprise upper end cover, bottom end cover and preliminary heating zone, upper end cover is connected with steam inlet, bottom end cover is connected with condensation-water drain, preliminary heating zone is connected to gas feed and gas vent, it is characterized in that: preliminary heating zone comprises the first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone, first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone from top to bottom set gradually, first preliminary heating zone is connected with gas vent, the 4th preliminary heating zone is connected with gas feed; First preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone are provided with tube connector each other, and tube connector is equipped with controller; Controller is provided with first interface and the second interface, controller comprises connecting rod, motor, transmission device, active gear shaft and driven tooth axle, small end and lower end are connected to first interface plug and the second interface plug, first interface mates mutually with first interface plug, second interface mates mutually with the second interface plug, motor connection for transmission device, and transmission device connects active gear shaft, active gear shaft and driven tooth axle engage each other, and driven tooth is located on connecting rod.
Further, the first flange is connected with between upper end cover and the first preliminary heating zone.First flange sealed upper end lid and the first preliminary heating zone, improve the air-tightness of this device, and prevent gas leakage, structure is simple.
Further, the second flange is connected with between bottom end cover and the 4th preliminary heating zone.Second flange seal bottom end cover and the 4th preliminary heating zone, improve the air-tightness of this device, and prevent gas leakage, structure is simple.
Further, be provided with steam pipe in preliminary heating zone, steam pipe runs through the first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone, and steam pipe, steam inlet and condensation-water drain are interconnected.Import steam in steam inlet, steam flows along steam pipe, constantly to treating preheating gas transfer heat in flow process, and being converted into condensed water, structure touch upon is ingenious, again can be converted into steam after condensed water heating, realization recycles, saving water resource.
Further, between the first preliminary heating zone, the second preliminary heating zone, be provided with the first tube sheet, separate the first preliminary heating zone and the second preliminary heating zone by the first tube sheet.Prevent the first preliminary heating zone and the second preliminary heating zone from carrying out gas exchanges, affect pre-heat effect, there is structure simple, the advantage that barriering effect is desirable.
Further, between the second preliminary heating zone, the 3rd preliminary heating zone, be provided with the second tube sheet, separate the second preliminary heating zone and the 3rd preliminary heating zone by the second tube sheet.Prevent the second preliminary heating zone and the 3rd preliminary heating zone from carrying out gas exchanges, affect pre-heat effect, there is structure simple, the advantage that barriering effect is desirable.
Further, between the 3rd preliminary heating zone, the 4th preliminary heating zone, be provided with the 3rd tube sheet, separate the 3rd preliminary heating zone and the 4th preliminary heating zone by the 3rd tube sheet.Prevent the 3rd preliminary heating zone and the 4th preliminary heating zone from carrying out gas exchanges, affect pre-heat effect, there is structure simple, the advantage that barriering effect is desirable.
Further, transmission device comprises bent axle and gear, and motor is connected with rotating shaft, and rotating shaft is connected with bent axle, and gear is connected with active gear shaft to crankshaft connecting gearwheels.Transmit mechanical energy by this transmission device and drive active gear shaft running, have effectiveness in vibration suppression, structure is simple.
Further, the top and bottom of connecting rod are all connected with spring, and spring is fixed on the inwall of controller, and spring has screen resilience, and connecting rod can be made to return to origin-location.
Owing to adopting technique scheme, there is beneficial effect:
The utility model is a kind of continuous type gas preheater, preheater is from top to bottom divided into four layers of preliminary heating zone, to connect four layers of preliminary heating zone, make to treat preheating gas from bottom to top successively by four preliminary heating zones, realize preheating in this process by tube connector.And controller is introduced in tube connector, control gas flow rate by controller, different preheat temperatures can be reached, ensure the result of use of gas.Its concrete beneficial effect show as following some:
1, preliminary heating zone is made up of the first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone, and vapor (steam) temperature distributes from low to high, not only extends the air preheat time, and realize layering preheating, treat that preheating gas progressively absorbs heat, improve pre-heat effect, indirectly reduce energy consumption.
2, tube connector is communicated with the first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone, makes to treat that preheating gas can flow through the first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone successively.Structure is simple, easy to connect.
3, controller controls the flow velocity treating preheating gas, and its operation principle is as follows: starter motor, and motor drives active gear shaft to rotate by transmission device, and under engagement, active gear shaft drives the running of driven tooth axle, and then drivening rod moves up and down.Move down in process, first interface plug and the second interface plug synchronously move downward, and the second interface plug shutoff second interface, treats that preheating gas enters in controller; Move up in process, first interface plug and the second interface plug synchronously move upward, first interface plug shutoff first interface, treat that preheating gas runs out of controller in controller.Under controller action, realize interval air guide, extend preheating time, promote pre-heat effect.Meanwhile, after disable motor, first interface and the second interface are all opened, with common tube connector indistinction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of continuous type gas preheater in the utility model;
Fig. 2 is the structural representation of the utility model middle controller;
Schematic diagram when Fig. 3 is first interface plug shutoff first interface in controller;
Schematic diagram when Fig. 4 is second interface plug shutoff the second interface in controller.
Detailed description of the invention
As shown in Figures 1 to 4, a kind of continuous type gas preheater, comprises upper end cover 1, bottom end cover 14 and preliminary heating zone, be connected with the first flange 3, first flange 3 sealed upper end lid 1 and preliminary heating zone between upper end cover 1 and preliminary heating zone, improve the air-tightness of this device, prevent gas leakage, structure is simple.The second flange 16 is connected with between bottom end cover 14 and preliminary heating zone.Second flange 16 seals bottom end cover 14 and preliminary heating zone, improves the air-tightness of this device, and prevent gas leakage, structure is simple.At upper end cover 1 with under the sealing function of bottom end cover 14, this device air-tightness is good, substantially without gas leakage.The upper end of upper end cover 1 is connected with steam inlet 2, and the lower end of bottom end cover 14 is connected with condensation-water drain 15, and be connected with steam pipe 6 between steam inlet 2 and condensation-water drain 15, three is interconnected, and steam pipe 6 runs through preliminary heating zone; Steam inlet 2 steam-out (SO) generating means, steam imports this device by steam inlet 2, flow along steam pipe 6 again, constantly to treating preheating gas transfer heat in flow process, and being converted into condensed water, structure touch upon is ingenious, again can be converted into steam after condensed water heating, realization recycles, saving water resource.
Preliminary heating zone comprises the first preliminary heating zone 7, second preliminary heating zone 9, the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13, first preliminary heating zone 7, second preliminary heating zone 9, the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13 from top to bottom distribute successively, because steam imports from upper end, so the temperature of the first preliminary heating zone 7 is the highest, the temperature of the second preliminary heating zone 9, the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13 is successively decreased successively.This structure not only extends the air preheat time, and realizes layering preheating, treats that preheating gas progressively absorbs heat, and improves pre-heat effect, indirectly reduces energy consumption.Be provided with the first tube sheet 8 between first preliminary heating zone 7, second preliminary heating zone 9, separate the first preliminary heating zone 7 and the second preliminary heating zone 9 by the first tube sheet 8, prevent the first preliminary heating zone 7 and the second preliminary heating zone 9 from carrying out gas exchanges; Be provided with the second tube sheet 10 between second preliminary heating zone 9, the 3rd preliminary heating zone 11, separate the second preliminary heating zone 9 and the 3rd preliminary heating zone 11 by the second tube sheet 10, prevent the second preliminary heating zone 9 and the 3rd preliminary heating zone 11 from carrying out gas exchanges; Be provided with the 3rd tube sheet 12 between 3rd preliminary heating zone 11, the 4th preliminary heating zone 13, separate the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13 by the 3rd tube sheet 12, prevent the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13 from carrying out gas exchanges.
Be connected by tube connector 17 between first preliminary heating zone 7 with the second preliminary heating zone 9, be connected by tube connector 17 between the second preliminary heating zone 9 with the 3rd preliminary heating zone 11, be connected by tube connector 17 between the 3rd preliminary heating zone 11 with the 4th preliminary heating zone 13.Tube connector 17 is communicated with the first preliminary heating zone 7, second preliminary heating zone 9, the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13, makes to treat that preheating gas can flow through the first preliminary heating zone 7, second preliminary heating zone 9, the 3rd preliminary heating zone 11 and the 4th preliminary heating zone 13 successively.4th preliminary heating zone 13 is connected with on gas feed 4, first preliminary heating zone 7 and is connected with gas vent 5, treat that preheating gas enters from gas feed 4, successively from bottom to top by preliminary heating zone, in this process pre-heating temperature elevation, realize continuously pre-heating, raise the efficiency.
Each tube connector 17 is equipped with controller 18, and controller 18 is provided with first interface 27 and the second interface 29, and first interface 27 is connected tube connector 17 with the second interface 29.Include connecting rod 25, motor 19, transmission device, active gear shaft 23 and driven tooth axle 24 in controller 18, the upper end of connecting rod 25 is connected with first interface plug 28, and first interface plug 28 mates mutually with first interface 27, can shutoff first interface 27; The lower end of connecting rod 25 is connected with the second interface plug 30, second interface plug 30 and mutually mates with the second interface 29, can shutoff first interface 27.Motor 19 is connected to outside controller 18, motor 19 is connected with rotating shaft 20, transmission device comprises bent axle 21 and gear 22, rotating shaft 20 connects bent axle 21, gear 22 is connected again by bent axle 21, gear 22 connects active gear shaft 23, and active gear shaft 23 and driven tooth axle 24 engage each other, and driven tooth axle 24 is located on connecting rod 25.On this architecture basics, reach the effect that controller 18 controls to treat the flow velocity of preheating gas, its operation principle is as follows: starter motor 19, motor 19 drives active gear shaft 23 to rotate by bent axle 21, gear 22, under engagement, active gear shaft 23 drives driven tooth axle 24 to operate, and then drivening rod 25 moves up and down.Move down in process, first interface plug 28 and the second interface plug 30 synchronously move downward, and the second interface plug 30 shutoff second interface 29, treats that preheating gas enters in controller 18; Move up in process, first interface plug 28 and the second interface plug 30 synchronously move upward, first interface plug 28 shutoff first interface 27, treat that preheating gas runs out of controller 18 in controller 18.Under controller 18 acts on, realize interval air guide, extend preheating time, promote pre-heat effect.
The top and bottom of connecting rod 25 are all connected with spring 26, spring 26 is fixed on the inwall of controller 18, spring 26 has screen resilience, when motor 19 stops, the spring 26 stretched produces screen resilience with the spring 26 of compression, return to reset condition at the effect lower link 25 of screen resilience, first interface 27 and the second interface 29 are opened.
The course of work of the present utility model is as follows: first steam inlet 2 connects steam generator, and condensation-water drain 15 connects condensed water collecting device, is imported by steam in steam pipe 6; Logical steam 5min, then opens motor 19, will treat that preheating gas imports in preliminary heating zone by gas feed 4, and realize continuously pre-heating.
These are only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto.Any based on the utility model, for solving substantially identical technical problem, realize substantially identical technique effect, done ground simple change, equivalent replacement or modification etc., be all covered by among protection domain of the present utility model.
Claims (9)
1. a continuous type gas preheater, comprise upper end cover, bottom end cover and preliminary heating zone, described upper end cover is connected with steam inlet, described bottom end cover is connected with condensation-water drain, described preliminary heating zone is connected to gas feed and gas vent, it is characterized in that: described preliminary heating zone comprises the first preliminary heating zone, second preliminary heating zone, 3rd preliminary heating zone and the 4th preliminary heating zone, described first preliminary heating zone, described second preliminary heating zone, described 3rd preliminary heating zone and described 4th preliminary heating zone from top to bottom set gradually, described first preliminary heating zone is connected with described gas vent, described 4th preliminary heating zone is connected with described gas feed, described first preliminary heating zone, described second preliminary heating zone, described 3rd preliminary heating zone and described 4th preliminary heating zone are provided with tube connector each other, and described tube connector is equipped with controller, described controller is provided with first interface and the second interface, described controller comprises connecting rod, motor, transmission device, active gear shaft and driven tooth axle, described small end and lower end are connected to first interface plug and the second interface plug, described first interface mates mutually with described first interface plug, described second interface mates mutually with described second interface plug, described motor connects described transmission device, described transmission device connects described active gear shaft, described active gear shaft and described driven tooth axle engage each other, and described driven tooth is located on described connecting rod.
2. a kind of continuous type gas preheater according to claim 1, is characterized in that: be connected with the first flange between described upper end cover and described first preliminary heating zone.
3. a kind of continuous type gas preheater according to claim 1, is characterized in that: be connected with the second flange between described bottom end cover and described 4th preliminary heating zone.
4. a kind of continuous type gas preheater according to claim 1, it is characterized in that: in described preliminary heating zone, be provided with steam pipe, described steam pipe runs through described first preliminary heating zone, the second preliminary heating zone, the 3rd preliminary heating zone and the 4th preliminary heating zone, and described steam pipe, described steam inlet and described condensation-water drain are interconnected.
5. a kind of continuous type gas preheater according to claim 1, is characterized in that: be provided with the first tube sheet between described first preliminary heating zone, described second preliminary heating zone, separates described first preliminary heating zone and described second preliminary heating zone by described first tube sheet.
6. a kind of continuous type gas preheater according to claim 1, is characterized in that: be provided with the second tube sheet between described second preliminary heating zone, described 3rd preliminary heating zone, separates the second preliminary heating zone and described 3rd preliminary heating zone by described second tube sheet.
7. a kind of continuous type gas preheater according to claim 1, is characterized in that: be provided with the 3rd tube sheet between described 3rd preliminary heating zone, described 4th preliminary heating zone, separates described 3rd preliminary heating zone and described 4th preliminary heating zone by described 3rd tube sheet.
8. a kind of continuous type gas preheater according to claim 1, it is characterized in that: described transmission device comprises bent axle and gear, described motor is connected with rotating shaft, and described rotating shaft connects described bent axle, described bent axle connects described gear, and described gear connects described active gear shaft.
9. a kind of continuous type gas preheater according to claim 1, it is characterized in that: the top and bottom of described connecting rod are all connected with spring, described spring is fixed on the inwall of described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113906.0U CN205227794U (en) | 2015-12-29 | 2015-12-29 | Continuous type gas preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113906.0U CN205227794U (en) | 2015-12-29 | 2015-12-29 | Continuous type gas preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205227794U true CN205227794U (en) | 2016-05-11 |
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ID=55902853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521113906.0U Expired - Fee Related CN205227794U (en) | 2015-12-29 | 2015-12-29 | Continuous type gas preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205227794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682964A (en) * | 2020-12-17 | 2021-04-20 | 苏州市腾中钛设备制造有限公司 | Temperature-adjustable sectional type heater |
-
2015
- 2015-12-29 CN CN201521113906.0U patent/CN205227794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682964A (en) * | 2020-12-17 | 2021-04-20 | 苏州市腾中钛设备制造有限公司 | Temperature-adjustable sectional type heater |
| CN112682964B (en) * | 2020-12-17 | 2022-08-23 | 苏州市腾中钛设备制造有限公司 | Temperature-adjustable sectional type heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |