CN216977576U

CN216977576U - Novel external steam cooler

Info

Publication number: CN216977576U
Application number: CN202122121285.2U
Authority: CN
Inventors: 崔玉岭; 张宪岭; 颜刚; 时标; 梁学东
Original assignee: Huaneng Nanjing Jinling Power Generation Co Ltd
Current assignee: Huaneng Nanjing Jinling Power Generation Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-07-15
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a novel external steam cooler which comprises a machine body and a rail sliding block, wherein a filter plate is fixedly installed at the bottom of an inner cavity of the machine body, a drain box is fixedly installed at the bottom of the machine body, a cooling liquid box is fixedly installed at the bottom of the drain box, a cooling liquid inlet pipe is fixedly installed at the output end of the cooling liquid box, a rotating shaft is fixedly installed at the top end of the cooling liquid inlet pipe, a fixed shaft is fixedly sleeved on the outer side of the rotating shaft, and a first impeller set is fixedly installed on the surface side wall of the fixed shaft. According to the steam cooling box, the driving mechanism in the steam driving box drives the cooling pipe to rotate around the rotating rod, so that the contact area between the cooling pipe and high-temperature saturated steam is increased, the air flowing speed of an inner cavity of the machine body can be accelerated, and the cooling efficiency of the steam is improved; the rotating rod is driven to rotate through the cooling liquid, the movable lantern ring is driven to slide in a reciprocating mode along the surface side wall of the cooling pipe, water drops condensed on the surface of the cooling pipe are removed, and the steam cooling efficiency is improved.

Description

Novel external steam cooler

Technical Field

The utility model relates to the technical field of thermal power generation, in particular to a novel external steam cooler.

Background

In order to improve heat economy, a steam intermediate resuperheating technology is generally adopted in large-scale power generation units. Because the reheated steam improves the degree of superheat of extracted steam of the middle and low pressure cylinder parts, when the water temperature of the outlet of the corresponding heater is not changed, the heat exchange heat difference of the heater and the irreversible loss of the corresponding backheating part can be increased; according to the analysis of a calorimetric method, the superheat degree of extracted steam is improved, the enthalpy of extracted steam is increased, the extracted steam quantity required by a corresponding heater is reduced, the work ratio of backheating extracted steam is reduced, and the backheating effect is weakened; if the mass (high temperature) of the superheat degree can be utilized, the unfavorable condition can be greatly improved by increasing the heating surface of the outlet of the heater, namely installing a steam cooler to improve the outlet water temperature of the heater and the outlet water temperature of the whole regenerative system.

Traditional steam cooler mainly adopts hybrid cooling and indirect contact formula cooling, but the hybrid is unfavorable for the further utilization of steam, and indirect contact formula cooling condensate water collects on the surface of contact medium easily, influences cooling efficiency, and traditional indirect contact formula inner chamber air current velocity of flow is low moreover, and cooling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel external steam cooler.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a novel external steam cooler, includes the organism, the inner chamber bottom fixed mounting of organism has the filter plate, the bottom fixed mounting of organism has the drain box, the bottom fixed mounting of drain box has the coolant liquid case, the output fixed mounting of coolant liquid case has the coolant liquid to go into the pipe, the top fixed mounting that the coolant liquid went into the pipe has the rotation axis, the fixed cover in the outside of rotation axis has cup jointed the fixed axle, the table lateral wall fixed mounting of fixed axle has first impeller group, the top fixed mounting of first impeller group has the steam drive case, the lateral wall fixed mounting of steam drive case have steam delivery pipe and steam to go into the pipe and with the inner chamber of steam drive case is linked together.

Preferably, the steam conveying pipe and the steam inlet pipe are fixedly installed on two side walls of the steam driving box, the distance between the steam conveying pipe and the steam inlet pipe is larger than the distance between the first impeller sets, an inner cavity of the steam driving box is communicated with an inner cavity of the machine body through the steam inlet pipe, and a steam outlet pipe is fixedly installed on the side surface of the machine body.

Preferably, the inside wall of rotation axis is fixed to be cup jointed the cooling tube, still fixed mounting has the slide rail between the table lateral wall of cooling tube, the direction protruding axle has been cup jointed in the lateral wall activity of slide rail, the side fixed mounting of direction protruding axle has the activity lantern ring, the side fixed mounting of track slider has the direction protruding axle, the other end of cooling tube through fixed mounting's coolant liquid back flow with the coolant liquid case is linked together.

Preferably, the inside wall fixed mounting of rotation axis has waterproof pivot, the inside wall fixed mounting of waterproof pivot has the second impeller group, the connecting rod behind the other end fixed mounting of second impeller group, the other end fixed mounting of connecting rod has the dwang.

Preferably, the connecting rod penetrates through the cooling pipe, the contact position is subjected to waterproof and rotatable treatment through a waterproof bearing, and waterproof and rotatable treatment is also performed between the rotating shaft and the cooling liquid inlet pipe through the waterproof bearing.

Preferably, the different screw threads of two sets of direction of rotation are seted up on the surface of dwang, and the screw thread of seting up is the radius angle at top intersection and handles, the activity of activity lantern ring cup joint in the table lateral wall of cooling tube, the direction protruding axle with the screw thread that the dwang was seted up cup joints mutually, just the size of direction protruding axle with the thread size phase-match that the dwang was seted up.

Compared with the prior art, the utility model has the beneficial effects that:

1. the inside coolant liquid of during operation coolant liquid case is gone into the pipe through the coolant liquid and is pumped, and the saturated steam of temperature gets into the inner chamber of steam drive case through the steam conveyer pipe, goes into the inner chamber that gets into the organism from steam, promotes first impeller group and rotates, drives the rotation axis simultaneously and rotates, drives the cooling tube and revolutes the rotation of action pole, promotes the area of contact of cooling tube and high temperature saturated steam, and the air flow velocity of body cavity can be quickened simultaneously, improves the cooling efficiency of steam.

2. During operation coolant liquid passes through the coolant liquid inlet pipe flow when the cooling tube is inside, it rotates to drive the second impeller group, it rotates to drive the connecting rod, it rotates to drive the dwang through the connecting rod, when the dwang rotates, the screw thread of seting up through the dwang surface drives the direction protruding axle and is horizontal direction reciprocating motion along the surface of dwang, it follows slide rail reciprocating slide to drive the direction protruding axle, it follows the reciprocal slide of table lateral wall of cooling tube to drive the activity lantern ring simultaneously, clean the drop of water of cooling tube surface condensation, make the drop of water collect the inner chamber recovery processing that the drip collected the drain trap through the filter plate, need not extra drive power, steam cooling's efficiency has been promoted.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel external steam cooler according to the present invention;

fig. 2 is a schematic structural view of a steam driving box of the novel external steam cooler provided by the utility model;

fig. 3 is a schematic structural diagram of a cooling mechanism of a novel external steam cooler according to the present invention;

FIG. 4 is a schematic view of a structure of a rotating shaft connecting rod of the novel external steam cooler of the present invention;

fig. 5 is a schematic diagram of a rotating rod structure of the novel external steam cooler provided by the utility model.

In the figure: 1. a body; 2. filtering the plate; 3. a drain tank; 4. a coolant tank; 5. introducing cooling liquid into a pipe; 6. a steam delivery pipe; 7. introducing steam into the pipe; 8. a steam drive box; 9. a steam cooling mechanism; 10. a vapor outlet pipe; 11. a coolant return pipe; 81. a fixed shaft; 82. a first impeller set; 91. a rotating shaft; 92. a cooling tube; 93. a movable collar; 94. a track slider; 95. A guide convex shaft; 96. a slide rail; 97. rotating the rod; 911. a waterproof rotating shaft; 912. a second impeller group; 913. a connecting rod.

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.

Referring to fig. 1-5, a novel external steam cooler, including organism 1, the inner chamber bottom fixed mounting of organism 1 has filter plate 2, the bottom fixed mounting of organism 1 has drain tank 3, the bottom fixed mounting of drain tank 3 has coolant liquid case 4, the output fixed mounting of coolant liquid case 4 has coolant liquid to go into pipe 5, the top fixed mounting that the coolant liquid goes into pipe 5 has rotation axis 91, fixed axle 81 has been cup jointed in the outside of rotation axis 91, the table lateral wall fixed mounting of fixed axle 81 has first impeller group 82, the top fixed mounting of first impeller group 82 has steam drive case 8, the lateral wall fixed mounting of steam drive case 8 has steam conveying pipe 6 and steam to go into pipe 7 and be linked together with the inner chamber of steam drive case 8.

As shown in fig. 2, the steam conveying pipe 6 and the steam inlet pipe 7 are fixedly installed on two side walls of the steam driving box 8, a distance between the steam conveying pipe 6 and the steam inlet pipe 7 is greater than a distance between the first impeller sets 82, an inner cavity of the steam driving box 8 is communicated with an inner cavity of the machine body 1 through the steam inlet pipe 7, and a steam outlet pipe 10 is also fixedly installed on a side surface of the machine body 1.

As shown in fig. 2, the inner side wall of the rotating shaft 91 is fixedly sleeved with a cooling pipe 92, a sliding rail 96 is further fixedly installed between the surface side walls of the cooling pipe 92, the outer side wall of the sliding rail 96 is movably sleeved with a guide protruding shaft 95, the side surface of the guide protruding shaft 95 is fixedly provided with a movable sleeve ring 93, the side surface of the rail slider 94 is fixedly provided with the guide protruding shaft 95, and the other end of the cooling pipe 92 is communicated with the cooling liquid tank 4 through a fixedly installed cooling liquid return pipe 11.

As shown in fig. 3, a waterproof shaft 911 is fixedly mounted on an inner sidewall of the rotating shaft 91, a second impeller set 912 is fixedly mounted on an inner sidewall of the waterproof shaft 911, a rear link 913 is fixedly mounted on the other end of the second impeller set 912, and a rotating lever 97 is fixedly mounted on the other end of the link 913.

As shown in fig. 4, the connecting rod 913 passes through the cooling pipe 92, and the contact portion is waterproofed and rotatably treated by a waterproof bearing, and the space between the rotary shaft 91 and the cooling liquid inlet pipe 5 is also waterproofed and rotatably treated by a waterproof bearing.

As shown in fig. 5, two sets of threads with different rotation directions are disposed on the surface of the rotating rod 97, and the disposed threads are rounded at the intersection of the top end, the movable sleeve ring 93 is movably sleeved on the side wall of the cooling tube 92, the guide protruding shaft 95 is sleeved with the threads disposed on the rotating rod 97, and the size of the guide protruding shaft 95 matches the size of the threads disposed on the rotating rod 97.

In the utility model, when the cooling device works, cooling liquid in the cooling liquid box (4) is pumped out through the cooling liquid inlet pipe (5), saturated steam enters the inner cavity of the steam driving box (8) through the steam conveying pipe (6), enters the inner cavity of the machine body (1) from the steam inlet pipe (7), pushes the first impeller group (82) to rotate, simultaneously drives the rotating shaft (91) to rotate, drives the cooling pipe (92) to rotate around the rotating rod (97), improves the contact area of the cooling pipe (92) and high-temperature saturated steam, can accelerate the air flow speed of the inner cavity of the machine body (1) and improves the cooling efficiency of the steam;

during operation coolant liquid goes into when pipe (5) flows through inside cooling tube (92) through the coolant liquid, drive second impeller group (912) and rotate, it rotates to drive connecting rod (913), drive dwang (97) through connecting rod (913) and rotate, when dwang (97) rotate, the screw thread that sets up through dwang (97) surface drives direction protruding axle (95) and is horizontal direction reciprocating motion along the surface of dwang (97), it slides along slide rail (96) reciprocating to drive direction protruding axle (95), drive movable lantern ring (93) simultaneously and slide along the surface lateral wall of cooling tube (92) reciprocating, clean the drop of water that condenses on cooling tube (92) surface, make the drop collect and drip the inner chamber recovery processing that collects drain tank (3) through filter plate (2), need not extra drive power, steam cooling's efficiency has been promoted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A novel external steam cooler comprises a machine body (1) and a track sliding block (94), it is characterized in that the bottom of the inner cavity of the machine body (1) is fixedly provided with a filter plate (2), a drain tank (3) is fixedly arranged at the bottom of the machine body (1), a cooling liquid tank (4) is fixedly arranged at the bottom of the drain tank (3), a cooling liquid inlet pipe (5) is fixedly arranged at the output end of the cooling liquid tank (4), a rotating shaft (91) is fixedly arranged at the top end of the cooling liquid inlet pipe (5), a fixed shaft (81) is fixedly sleeved on the outer side of the rotating shaft (91), a first impeller set (82) is fixedly installed on the surface side wall of the fixed shaft (81), the top end of the first impeller group (82) is fixedly provided with a steam driving box (8), the side wall of the steam driving box (8) is fixedly provided with a steam conveying pipe (6) and a steam inlet pipe (7) and is communicated with the inner cavity of the steam driving box (8).

2. The novel external steam cooler as set forth in claim 1, wherein the steam delivery pipe (6) and the steam inlet pipe (7) are fixedly mounted on two side walls of the steam driving box (8), the distance between the steam delivery pipe (6) and the steam inlet pipe (7) is greater than the distance between the first impeller sets (82), the inner cavity of the steam driving box (8) is communicated with the inner cavity of the machine body (1) through the steam inlet pipe (7), and a steam outlet pipe (10) is further fixedly mounted on the side surface of the machine body (1).

3. The novel external steam cooler as set forth in claim 1, wherein the cooling pipe (92) is fixedly sleeved on the inner side wall of the rotating shaft (91), a sliding rail (96) is further fixedly mounted between the side walls of the surface of the cooling pipe (92), a guide protruding shaft (95) is movably sleeved on the outer side wall of the sliding rail (96), a movable sleeve ring (93) is fixedly mounted on the side surface of the guide protruding shaft (95), a guide protruding shaft (95) is fixedly mounted on the side surface of the rail sliding block (94), and the other end of the cooling pipe (92) is communicated with the cooling liquid tank (4) through a fixedly mounted cooling liquid return pipe (11).

4. The novel external steam cooler as claimed in claim 3, wherein a waterproof rotating shaft (911) is fixedly installed on the inner side wall of the rotating shaft (91), a second impeller set (912) is fixedly installed on the inner side wall of the waterproof rotating shaft (911), a rear connecting rod (913) is fixedly installed at the other end of the second impeller set (912), and a rotating rod (97) is fixedly installed at the other end of the connecting rod (913).

5. The new external steam cooler as set forth in claim 4, characterized in that said connecting rod (913) passes through said cooling tube (92) and the contact point is treated for waterproofing and rotation by means of a waterproof bearing, and between said rotating shaft (91) and said coolant inlet tube (5) is also treated for waterproofing and rotation by means of a waterproof bearing.

6. The novel external steam cooler as set forth in claim 5, wherein two sets of threads with different rotation directions are formed on the surface of the rotating rod (97), the formed threads are rounded at the top end intersection, the movable sleeve ring (93) is movably sleeved on the surface side wall of the cooling pipe (92), the guide protruding shaft (95) is sleeved with the threads formed on the rotating rod (97), and the size of the guide protruding shaft (95) is matched with the size of the threads formed on the rotating rod (97).