CN209926905U - Condensate preheating reconstruction structure - Google Patents

Condensate preheating reconstruction structure Download PDF

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Publication number
CN209926905U
CN209926905U CN201920199670.9U CN201920199670U CN209926905U CN 209926905 U CN209926905 U CN 209926905U CN 201920199670 U CN201920199670 U CN 201920199670U CN 209926905 U CN209926905 U CN 209926905U
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China
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condensate
liquid ammonia
sealing
expansion tank
tank
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CN201920199670.9U
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Chinese (zh)
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樊小明
穆荣斌
孙伟民
王探朝
黄海明
王泉弟
郗锋涛
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Shaanxi Shan Hua Coal Chemical Industry Group Co ltd
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Shaanxi Shan Hua Coal Chemical Industry Group Co ltd
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Abstract

The utility model discloses a condensate preheating reconstruction structure, which comprises a steam inlet, a connecting pipeline, an expansion tank and a liquid ammonia preheater, wherein the expansion tank is connected with the steam inlet through the connecting pipeline, the expansion tank is connected with a condensate tank through the connecting pipeline, two ends of the liquid ammonia preheater are respectively connected with a liquid ammonia inlet and a liquid ammonia outlet, one end of the liquid ammonia preheater is connected with the condensate tank, one end of the expansion tank is connected with a conveying pipeline, and one end of the conveying pipeline is connected with the liquid ammonia preheater; the condensate of the expansion tank is led to the ammonia preheater to be used as a heating source, the liquid ammonia is preheated to 55 ℃ of the process requirement from the normal temperature, and the liquid ammonia is recycled before being discharged to the condensate tank, so that the heat energy can be fully utilized to prevent heat waste.

Description

Condensate preheating reconstruction structure
Technical Field
The utility model belongs to the technical field of preheat, concretely relates to condensate preheats and reforms transform structure.
Background
The low-pressure steam of the expansion tank of the preheater is the byproduct steam of the system, and is mainly used for heat preservation of a system accompanying pipe and pressure supplement of 1.3MPa steam during normal production of an ammonia preheating system to meet the normal production requirement.
Because the steam condensate tank is normal pressure equipment, and steam condensate is abundant in a large number during normal production, after expansion tank condensate is discharged to the steam condensate tank, the heat is released in a decompression mode to be vaporized, and the problem of heat and water waste is caused.
Disclosure of Invention
An object of the utility model is to provide a condensate preheats and reforms transform structure to the steam condensate tank that provides in solving above-mentioned background art is ordinary pressure equipment, and steam condensate is abundant in a large number during normal production, and behind the expansion tank condensate row to steam condensate tank, decompression release heat vaporization causes the extravagant problem of heat and water yield.
In order to achieve the above object, the utility model provides a following technical scheme: condensate preheats and reforms transform structure, including steam inlet, connecting tube, expansion tank and liquid ammonia pre-heater, the expansion tank passes through connecting tube and steam inlet connection, the expansion tank is connected with the condensate tank through connecting tube, the both ends of liquid ammonia pre-heater are connected with liquid ammonia import and liquid ammonia export respectively, and the one end and the condensate tank of liquid ammonia pre-heater are connected, the one end in expansion tank is connected with pipeline, pipeline's one end links to each other with the liquid ammonia pre-heater.
Preferably, inflation groove, condensate groove and liquid ammonia pre-heater all are provided with the connector with the junction of connecting tube, the connector passes through coupling mechanism fixed connection with the connecting tube, coupling mechanism includes fixation nut, plug, draw-in groove, slot and fixture block, fixation nut passes through the rotary groove and rotates the one end surface of installing at the connector, plug fixed mounting is in the one end of connector, the surface at the plug is seted up to the draw-in groove, the one end inboard at the connecting tube is seted up to the slot, fixture block fixed mounting just is corresponding with the position of draw-in groove on the inner wall of slot, the one end surface of connecting tube and fixation nut's one end inboard all are provided with the screw thread, and fixation nut closes with the connecting tube through the screw thread soon and is connected.
Preferably, the junction of connecting tube and connector is provided with sealing mechanism, sealing mechanism includes sealed arch, seal groove, sealing washer, stripper plate and spring, sealed arch fixed mounting is in the one end of draw-in groove, the seal groove is seted up in the inboard bottom of slot and corresponding with sealed bellied position, the inboard at the seal groove is installed to the sealing washer, the inside at the sealing washer is installed to the stripper plate, spring fixed mounting is in one side of stripper plate.
Preferably, the outer side of the connecting pipeline is sleeved with a heat insulation sleeve.
Preferably, one side of the sealing bulge is provided with a sealing head, and one side of the sealing ring is provided with an opening for the sealing head to enter.
Preferably, one end of the spring is fixedly connected with the extrusion plate, and the other end of the spring penetrates through the sealing ring to be fixedly connected with the inner wall of the sealing groove.
Preferably, the steam inlet is connected to a steam boiler.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the condensate of the expansion tank is led to the ammonia preheater to be used as a heating source, the liquid ammonia is preheated to 55 ℃ of the process requirement from the normal temperature, and the liquid ammonia is reused before being discharged to the condensate tank, so that the heat energy can be fully utilized to prevent heat waste;
(2) through the pipeline coupling mechanism who designs, when passing through the tube coupling to each part, can pass through coupling mechanism high-speed joint to seal through sealing mechanism, make each part convenient and fast more when connecting the use, but just the change is dismantled fast when the pipeline appears damaging.
Drawings
FIG. 1 is a schematic view of the condensate preheating and reforming structure of the present invention;
FIG. 2 is a schematic view of the pipe connection structure of the present invention;
fig. 3 is a schematic diagram of the structure of the card interface of the present invention;
fig. 4 is a schematic view of the sealing structure of the present invention;
FIG. 5 is a schematic view of the structure of the thermal insulation jacket of the present invention;
in the figure: 1. a steam inlet; 2. connecting a pipeline; 3. an expansion tank; 4. a condensate tank; 5. a delivery conduit; 6. a liquid ammonia inlet; 7. a liquid ammonia preheater; 8. a liquid ammonia outlet; 9. a connector; 10. fixing a nut; 11. a plug; 12. a card slot; 13. sealing the protrusion; 14. a slot; 15. a sealing groove; 16. a clamping block; 17. a seal ring; 18. a pressing plate; 19. a spring; 20. a heat insulation sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: condensate preheats and reforms transform structure, including steam inlet 1, connecting tube 2, expansion tank 3 and liquid ammonia pre-heater 7, expansion tank 3 passes through connecting tube 2 and is connected with steam inlet 1, expansion tank 3 is connected with condensate tank 4 through connecting tube 2, the both ends of liquid ammonia pre-heater 7 are connected with liquid ammonia import 6 and liquid ammonia export 8 respectively, and the one end of liquid ammonia pre-heater 7 is connected with condensate tank 4, the one end of expansion tank 3 is connected with pipeline 5, pipeline 5's one end links to each other with liquid ammonia pre-heater 7, introduce expansion tank 3 condensate to liquid ammonia pre-heater 7 as the heating source through pipeline 5, preheat the liquid ammonia to 55 ℃ of technology demand by the normal atmospheric temperature, reuse before discharging to the condensate tank, can make full use of heat energy prevent the waste of heat.
In this embodiment, preferably, the expansion tank 3, the condensate tank 4, the liquid ammonia preheater 7 and the connecting pipeline 2 are all provided with connectors 9, the connectors 9 and the connecting pipeline 2 are fixedly connected through a connecting mechanism, so that the expansion tank 3, the condensate tank 4, the liquid ammonia preheater 7 and the connecting pipeline 2 are more conveniently and quickly fixedly connected, the connecting mechanism includes a fixing nut 10, a plug 11, a slot 12, a slot 14 and a fixture block 16, the fixing nut 10 is rotatably installed on one end surface of the connector 9 through a rotary slot, the plug 11 is fixedly installed at one end of the connector 9, the slot 12 is opened on the surface of the plug 11, the slot 14 is opened at the inner side of one end of the connecting pipeline 2, the plug 11 can be inserted into the slot 14 for connection, the fixture block 16 is fixedly installed on the inner wall of the slot 14 and corresponds to the position of the slot 12, so that the fixture block 16 is, the plug 11 is more stable when being connected with the slot 14, the surface of one end of the connecting pipeline 2 and the inner side of one end of the fixing nut 10 are both provided with threads, and the fixing nut 10 is screwed with the connecting pipeline 2 through the threads.
In this embodiment, preferably, a sealing mechanism is disposed at a joint between the connecting pipe 2 and the connector 9, and is convenient to seal when the connecting pipe 2 is installed, the sealing mechanism includes a sealing protrusion 13, a sealing groove 15, a sealing ring 17, an extrusion plate 18 and a spring 19, the sealing protrusion 13 is fixedly installed at one end of the clamping groove 12, the sealing groove 15 is formed at the bottom of the inner side of the slot 14 and corresponds to the position of the sealing protrusion 13, the sealing ring 17 is installed at the inner side of the sealing groove 15, the extrusion plate 18 is installed inside the sealing ring 17, the spring 19 is fixedly installed at one side of the extrusion plate 18, so that the extrusion plate 18 can enable the sealing ring 17 to be tightly attached to the inner wall of the sealing groove 15.
In this embodiment, it is preferable that the outer side of the connection pipe 2 is sleeved with a heat insulation sleeve 20, so that the connection pipe 2 can conveniently store heat.
In this embodiment, preferably, a sealing head is disposed on one side of the sealing protrusion 13, and an opening for the sealing head to enter is disposed on one side of the sealing ring 17, so that the effect of the sealing protrusion 13 is better.
In this embodiment, preferably, one end of the spring 19 is fixedly connected to the pressing plate 18, and the other end of the spring passes through the sealing ring 17 and is fixedly connected to the inner wall of the sealing groove 15, so that the sealing ring 17 is conveniently fixed, and the pressing plate 18 is convenient to press the sealing ring 17.
In this embodiment, preferably, the steam inlet 1 is connected to a steam boiler, so as to facilitate the introduction of steam into the steam inlet 1.
The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, the installation, fixation and safety protection of the utility model are checked, then the utility model can be used, the steam generated by the original boiler enters the expansion tank 3 through the steam inlet 1 and the connecting pipeline 2, because the condensate tank 4 is normal pressure equipment, and during normal production, a great deal of surplus steam condensate is collected from the expansion tank 3 in the condensate tank 4, after the condensate in the expansion tank 3 is discharged to the condensate tank 4, the heat is released by decompression and vaporized, thereby causing the waste of heat and water quantity, the liquid ammonia preheater 7 is a jacket heat exchanger, the steam in the expansion tank 3 is originally removed in the jacket, the condensate in the expansion tank 3 is removed through the conveying pipeline 5 after being modified, the high-pressure liquid ammonia is removed in the pipeline of the liquid ammonia preheater 7, two mediums carry out countercurrent heat exchange, finally, the temperature of the high-pressure liquid ammonia is raised to about 55 ℃ of the technological requirement, thus, the steam consumption of the system is reduced, the temperature of the high-pressure liquid ammonia can be increased to the required value of the process, the heat energy is fully utilized to prevent the waste of heat, and when the connecting pipeline 2 is damaged, the fixing nut 10 is rotated to move the connection pipe 2 by means of the screw, the plug 11 is pulled out from the socket 14, so that the connecting pipe 2 is directly removed for replacement, and when a new connecting pipe 2 is installed so that the connecting pipe 2 is inserted into the plug 11 through the insertion groove 14, when the fixing nut 10 is screwed and fixed, the sealing bulge 13 at one end of the clamping groove 12 is extruded into the sealing ring 17 of the sealing groove 15, and continuously extruding the extrusion plate 18 to push the sealing ring 17 to bulge and attach to the inner wall of the sealing groove 15 for sealing, convenient and fast more when installing connecting tube 2, and sealed effect is better, has just so accomplished right the utility model discloses a use, the utility model discloses simple structure, convenience safe in utilization.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Condensate preheats and reforms transform structure, including steam inlet (1), connecting tube (2), expansion tank (3) and liquid ammonia pre-heater (7), expansion tank (3) are connected with steam inlet (1) through connecting tube (2), expansion tank (3) are connected with condensate tank (4) through connecting tube (2), the both ends of liquid ammonia pre-heater (7) are connected with liquid ammonia import (6) and liquid ammonia export (8) respectively, and the one end and the condensate tank (4) of liquid ammonia pre-heater (7) are connected, its characterized in that: one end of the expansion tank (3) is connected with a conveying pipeline (5), and one end of the conveying pipeline (5) is connected with a liquid ammonia preheater (7).
2. The condensate preheating reconstruction structure according to claim 1, wherein: the expansion tank (3), the condensate tank (4) and the liquid ammonia preheater (7) are all provided with connectors (9) with the joints of the connecting pipelines (2), the connectors (9) are fixedly connected with the connecting pipelines (2) through connecting mechanisms, each connecting mechanism comprises a fixing nut (10), a plug (11), a clamping groove (12), a slot (14) and a clamping block (16), the fixing nuts (10) are rotatably installed on the surfaces of one ends of the connectors (9) through rotary grooves, the plugs (11) are fixedly installed at one ends of the connectors (9), the clamping grooves (12) are arranged on the surfaces of the plugs (11), the slots (14) are arranged on the inner sides of one ends of the connecting pipelines (2), the clamping blocks (16) are fixedly installed on the inner walls of the slots (14) and correspond to the positions of the clamping grooves (12), threads are arranged on the surfaces of one ends of the connecting pipelines (2) and the inner sides of one ends of the fixing nuts (10), the fixing nut (10) is screwed with the connecting pipeline (2) through threads.
3. The condensate preheating reconstruction structure according to claim 1, wherein: connecting tube (2) are provided with sealing mechanism with the junction of connector (9), sealing mechanism includes sealed arch (13), seal groove (15), sealing washer (17), stripper plate (18) and spring (19), sealed arch (13) fixed mounting is in the one end of draw-in groove (12), seal groove (15) are seted up at slot (14) inboard bottom and corresponding with the position of sealed arch (13), the inboard at seal groove (15) is installed in sealing washer (17), the inside at sealing washer (17) is installed in stripper plate (18), spring (19) fixed mounting is in one side of stripper plate (18).
4. The condensate preheating reconstruction structure according to claim 1, wherein: and a heat insulation sleeve (20) is sleeved on the outer side of the connecting pipeline (2).
5. The condensate preheating reconstruction structure according to claim 3, wherein: one side of the sealing bulge (13) is provided with a sealing head, and one side of the sealing ring (17) is provided with an opening for the sealing head to enter.
6. The condensate preheating reconstruction structure according to claim 3, wherein: one end of the spring (19) is fixedly connected with the extrusion plate (18), and the other end of the spring penetrates through the sealing ring (17) to be fixedly connected with the inner wall of the sealing groove (15).
7. A condensate preheating reconstruction structure according to one of claims 1 to 6, wherein: the steam inlet (1) is connected with a steam boiler.
CN201920199670.9U 2019-02-15 2019-02-15 Condensate preheating reconstruction structure Active CN209926905U (en)

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Application Number Priority Date Filing Date Title
CN201920199670.9U CN209926905U (en) 2019-02-15 2019-02-15 Condensate preheating reconstruction structure

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Application Number Priority Date Filing Date Title
CN201920199670.9U CN209926905U (en) 2019-02-15 2019-02-15 Condensate preheating reconstruction structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111252825A (en) * 2020-03-24 2020-06-09 山东省水利科学研究院 Wastewater treatment metering and water quality monitoring device and method convenient to install

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111252825A (en) * 2020-03-24 2020-06-09 山东省水利科学研究院 Wastewater treatment metering and water quality monitoring device and method convenient to install

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