CN219037697U

CN219037697U - Horizontal high-pressure heater

Info

Publication number: CN219037697U
Application number: CN202320029721.XU
Authority: CN
Inventors: 李云峰; 禚君磊; 李亚玲
Original assignee: Qingdao Changning Boiler Thermal Power Equipment Co ltd
Current assignee: Qingdao Changning Boiler Thermal Power Equipment Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-16
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a horizontal high-pressure heater which comprises a water tank, an air chamber and a lower water outlet, wherein a water inlet pipe is arranged at the bottom end of one side of the water tank, a water outlet pipe is arranged at the top end of one side of the water tank, a partition plate is fixed in the water tank, copper pipes are fixed in one side of the water tank, an air inlet pipe is fixed at the other side of the top end of the air chamber, a pressure relief structure comprises a water outlet pipe, a pipe cover, a guide rod, a supporting seat, a compression spring and a baffle plate, the water outlet pipe is fixed at the bottom end of the air chamber, and the bottom end of the water outlet pipe is sleeved with the pipe cover. According to the utility model, the pipe cover is disassembled by rotating the pipe cover, when the pressure in the device is too high, the baffle plate is pushed to move downwards to open the drain pipe, and cooling water and gas in the device are discharged, so that the pressure relief and liquid discharge functions of the device are realized, the too high pressure in the device is conveniently and timely discharged, the pressure is prevented from exceeding the pressure threshold value of the device, and the functionality of the device is improved.

Description

Horizontal high-pressure heater

Technical Field

The utility model relates to the technical field of heaters, in particular to a horizontal high-pressure heater.

Background

The high-pressure heater is equipment for heating the feed water by utilizing steam of the steam turbine, is commonly used for a regenerative system of a large thermal power generating unit, and the good and bad heat transfer performance of the regenerative system directly influences the economy and the safety of the unit, so that the heat transfer efficiency of the high-pressure heater is improved, the irreversible loss in the heat transfer process is reduced, and the regenerative system becomes one of important measures for solving the problem of high-efficiency utilization of energy sources;

chinese patent grant publication No. CN205482419U, publication day 2016, month 08 and 17, discloses a horizontal high-pressure heater, which comprises a water chamber, a tube plate, a tube body and a heat transfer tube; the water chamber is fixedly connected to one side of the tube plate, a separation plate is arranged in the water chamber, the water chamber comprises a water inlet part and a water outlet part which are separated by the separation plate, the water inlet part is provided with a water supply inlet, the water outlet part is provided with a water supply outlet, and the water chamber is also provided with a manhole; the tube body is fixedly connected to the other side of the tube plate, the tube body comprises a superheating section, a cooling section and a condensing section, the superheating section and the cooling section are arranged at one end of the tube body, which is close to the tube plate, side by side, and the condensing section is arranged at the other end of the tube body; the heat transfer tube is U-shaped and is arranged in the tube body to be connected with the tube plate, and passes through the superheating section, the cooling section and the condensing section; the utility model aims to provide a horizontal high-pressure heater capable of protecting a heat transfer tube from direct flushing erosion of drainage and expansion steam;

the prior art scheme has the following defects: in the above technical scheme, when the device is used, the device is inconvenient to timely release the excessive pressure in the device, and because the device is in the state of the excessive pressure for a long time, the aging and the damage of each part in the accelerating device affect the service life of the device.

Disclosure of Invention

First, the technical problem to be solved

The present utility model is directed to a horizontal high-pressure heater, which solves the above-mentioned problems of the prior art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a horizontal high-pressure heater, includes water tank, air chamber and subordinate's delivery port, the inlet tube is installed to the bottom of water tank one side, the outlet pipe is installed on the top of water tank one side, the inside of water tank is fixed with the division board, the inside of water tank one side all is fixed with the copper pipe, and the outside of copper pipe is provided with auxiliary structure, one side of water tank is fixed with the air chamber, the bottom of air chamber is provided with pressure release structure, one side of air chamber bottom is fixed with subordinate's delivery port, one side on air chamber top is fixed with the gas vent, the opposite side on air chamber top is fixed with the intake pipe, pressure release structure includes drain pipe, tube cap, guide bar, supporting seat, compression spring and baffle, the bottom at the air chamber is fixed to the drain pipe, the bottom cover of drain pipe is equipped with the tube cap.

By using the horizontal high-pressure heater of the technical scheme, cold water is led into the water tank through the water inlet pipe, so that the cold water enters the copper pipe, steam is led into the air chamber through the air inlet pipe, the lower water outlet and the air outlet are closed, the cold water in the copper pipe absorbs heat through the pressure in the air chamber, the hot water is discharged out of the device through the water outlet pipe, and the cooling water in the device is discharged out of the lower water outlet.

Preferably, the inside of drain pipe is fixed with the supporting seat, the inside of supporting seat is inserted and is equipped with the guide bar, the top of guide bar is fixed with the baffle, the bottom mounting of baffle has compression spring. The pipe cover is detached by rotating the pipe cover, when the pressure in the device is too high, the pressure can push the baffle to move downwards to open the drain pipe, and cooling water and gas in the device are discharged.

Preferably, the outer side wall of the drain pipe is provided with external threads, and the inside of the pipe cover is provided with internal threads matched with the external threads.

Preferably, a sliding structure is formed between the guide rod and the supporting seat, and the baffle plate and the drain pipe are positioned on the same vertical center.

Preferably, the auxiliary structure comprises a guide plate, fins, a graphene coating and a connecting plate, wherein the guide plate is fixed in the air chamber, the connecting plate is sleeved outside the copper pipe, the fins are fixed on the outer side of the connecting plate, and the graphene coating is arranged on the outer side of the fins. The contact time of the steam and the copper pipe is improved through the guide plate, the contact area of the copper pipe and the steam is increased through the fins, and the heat absorption effect of the copper pipe is improved.

Preferably, the fins are arranged on the outer side of the copper pipe, and the fins are distributed on the outer side of the copper pipe at equal intervals.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: the horizontal high-pressure heater has reasonable structure and has the following advantages:

(1) The pipe cover is disassembled by rotating the pipe cover, when the pressure in the device is too high, the baffle plate is pushed to move downwards to open the drain pipe, and cooling water and gas in the device are discharged, so that the pressure relief and liquid discharge functions of the device are realized, the too high pressure in the device is conveniently and timely discharged, the pressure is prevented from exceeding the pressure threshold value of the device, and the functionality of the device is improved;

(2) The contact time of steam and the copper pipe is improved through the guide plate, the contact area of the copper pipe and the steam is increased through the fins, and the heat absorption effect of the copper pipe is improved, so that the efficient heat absorption function of the device is realized, the heat absorption efficiency of the copper pipe is improved, the heat absorption process of cold water is accelerated, and the high efficiency of the device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic cross-sectional front view of a pressure relief structure according to the present utility model.

Reference numerals in the drawings illustrate: 1. a water tank; 2. a gas chamber; 3. a pressure relief structure; 301. a drain pipe; 302. a tube cover; 303. a guide rod; 304. a support base; 305. a compression spring; 306. a baffle; 4. a lower water outlet; 5. copper pipe; 6. an exhaust port; 7. an auxiliary structure; 701. a guide plate; 702. fins; 703. a graphene coating; 704. a connecting plate; 8. an air inlet pipe; 9. a water outlet pipe; 10. a dividing plate; 11. a water inlet pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4, the horizontal high-pressure heater provided by the utility model comprises a water tank 1, an air chamber 2 and a lower water outlet 4, wherein a water inlet pipe 11 is arranged at the bottom end of one side of the water tank 1, a water outlet pipe 9 is arranged at the top end of one side of the water tank 1, a partition plate 10 is fixed in the water tank 1, copper pipes 5 are fixed in one side of the water tank 1, an auxiliary structure 7 is arranged outside the copper pipes 5, the air chamber 2 is fixed at one side of the water tank 1, a pressure relief structure 3 is arranged at the bottom end of the air chamber 2, the lower water outlet 4 is fixed at one side of the bottom end of the air chamber 2, an air outlet 6 is fixed at one side of the top end of the air chamber 2, an air inlet pipe 8 is fixed at the other side of the top end of the air chamber 2, the pressure release structure 3 includes drain 301, tube cap 302, guide bar 303, supporting seat 304, compression spring 305 and baffle 306, drain 301 is fixed in the bottom of air chamber 2, the bottom cover of drain 301 is equipped with tube cap 302, the inside of drain 301 is fixed with supporting seat 304, guide bar 303 has been inserted to the inside of supporting seat 304, the top of guide bar 303 is fixed with baffle 306, the bottom mounting of baffle 306 has compression spring 305, be provided with the external screw thread on the lateral wall of drain 301, and the inside of tube cap 302 is provided with the internal screw thread mutually supporting with the external screw thread, constitute sliding structure between guide bar 303 and the supporting seat 304, baffle 306 and drain 301 are located same vertical center.

The working principle of the horizontal high-pressure heater based on the first embodiment is as follows: cold water is introduced into the water tank 1 through the water inlet pipe 11, so that the cold water enters the copper pipe 5, steam is introduced into the air chamber 2 through the air inlet pipe 8, the lower water outlet 4 and the air outlet 6 are closed, the cold water in the copper pipe 5 absorbs heat through the pressure in the air chamber 2, hot water is discharged out of the device through the water outlet pipe 9, the cooling water in the device is discharged out of the device through the lower water outlet 4, the pipe cover 302 is separated from the water outlet pipe 301 through rotating the pipe cover 302, the pipe cover 302 is detached, when the pressure in the device is too high, the baffle 306 is pushed by the pressure to move downwards to press the compression spring 305 to compress the water outlet 301 to open the water outlet 301, the cooling water and the air in the device are discharged, the pressure in the device is relieved, and when the thrust generated by the compression spring 305 is larger than the pressure in the air chamber 2, the baffle 306 is pushed by the compression spring 305 to seal the water outlet 301.

Example two

The embodiment comprises the following steps: the auxiliary structure 7 comprises a guide plate 701, fins 702, a graphene coating 703 and a connecting plate 704, wherein the guide plate 701 is fixed in the air chamber 2, the connecting plate 704 is sleeved outside the copper pipe 5, the fins 702 are fixed on the outer side of the connecting plate 704, the graphene coating 703 is arranged on the outer side of the fins 702, a plurality of groups of the fins 702 are arranged on the outer side of the copper pipe 5, and the fins 702 of the groups are distributed on the outer side of the copper pipe 5 at equal intervals.

In this embodiment, the plurality of groups of guide plates 701 are regularly arranged in the air chamber 2 to dredge the movement of the steam, so as to increase the contact time between the steam and the copper tube 5, increase the contact area between the copper tube 5 and the steam through the fins 702, increase the heat absorption effect of the copper tube 5, increase the heat conduction efficiency between the fins 702 and the air through the graphene coating 703, and accelerate the heat entering the fins 702.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a horizontal high-pressure heater, includes water tank (1), air chamber (2) and subordinate delivery port (4), its characterized in that: a water inlet pipe (11) is arranged at the bottom end of one side of the water tank (1), a water outlet pipe (9) is arranged at the top end of one side of the water tank (1), and a partition plate (10) is fixed in the water tank (1);

copper pipes (5) are fixed in the water tank (1) at one side, and auxiliary structures (7) are arranged on the outer sides of the copper pipes (5);

one side of water tank (1) is fixed with air chamber (2), the bottom of air chamber (2) is provided with relief structure (3), one side of air chamber (2) bottom is fixed with subordinate delivery port (4), one side on air chamber (2) top is fixed with gas vent (6), the opposite side on air chamber (2) top is fixed with intake pipe (8), relief structure (3) include drain pipe (301), tube cap (302), guide bar (303), supporting seat (304), compression spring (305) and baffle (306), the bottom at air chamber (2) is fixed to drain pipe (301), the bottom cover of drain pipe (301) is equipped with tube cap (302).

2. A horizontal high pressure heater as set forth in claim 1 wherein: the inside of drain pipe (301) is fixed with supporting seat (304), guide bar (303) have been inserted to the inside of supporting seat (304), the top of guide bar (303) is fixed with baffle (306), the bottom mounting of baffle (306) has compression spring (305).

3. A horizontal high pressure heater as set forth in claim 1 wherein: external threads are arranged on the outer side wall of the drain pipe (301), and internal threads matched with the external threads are arranged inside the pipe cover (302).

4. A horizontal high pressure heater as set forth in claim 1 wherein: a sliding structure is formed between the guide rod (303) and the supporting seat (304), and the baffle (306) and the drain pipe (301) are positioned on the same vertical center.

5. A horizontal high pressure heater as set forth in claim 1 wherein: auxiliary structure (7) are including deflector (701), fin (702), graphene coating (703) and connecting plate (704), deflector (701) are all fixed in the inside of air chamber (2), the outside at copper pipe (5) is all established to connecting plate (704) cover, the outside of connecting plate (704) is fixed with fin (702), the outside of fin (702) is provided with graphene coating (703).

6. A horizontal high pressure heater as set forth in claim 5 wherein: the fins (702) are arranged on the outer side of the copper pipe (5), and the fins (702) in the plurality of groups are distributed on the outer side of the copper pipe (5) at equal intervals.