CN216558469U - Warm up a tub protection device when power plant low-temperature economizer drops into - Google Patents

Abstract

The utility model discloses a heating pipe protection device when a low-temperature economizer in a power plant is put into operation, which comprises a concave box and an economizer body, wherein the economizer body is positioned in an inner cavity of the concave box, the left side and the right side of the concave box are both in threaded connection with screw rods, one sides of the two screw rods, which are opposite to each other, are both fixedly connected with rotating handles, one sides of the two screw rods, which are opposite to each other, penetrate through the concave box and are rotatably connected with clamping plates through bearings, the bottoms of the opposite sides of the two clamping plates are both fixedly connected with connecting plates, the top of each connecting plate is tightly attached to the bottom of the economizer body, grooves are uniformly formed in the outer surface of the concave box, one side of the inner cavity of each groove is fixedly connected with a pressure spring, the economizer body can be fixed in the concave box through the arrangement of the rotating handles, the screw rods, the clamping plates and the connecting plates, the grooves, the pressure springs and a driving column are arranged, so that the collision of the concave box can be buffered, and further buffered, the coal economizer body is prevented from being damaged due to collision.

Description

Warm up a tub protection device when power plant low-temperature economizer drops into

Technical Field

The utility model relates to the technical field of low-temperature economizer protection, in particular to a warm pipe protection device for a power plant when a low-temperature economizer is put into operation.

Background

The low-temperature economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering waste heat of exhausted smoke, water fed by the boiler is heated into a heating surface of saturated water under the pressure of a steam drum, the low-temperature economizer is called as an economizer because the low-temperature economizer absorbs heat of high-temperature smoke, the exhaust temperature of the smoke is reduced, energy is saved, and efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for protecting a heating pipe when a low-temperature economizer of a power plant is put into operation, which has the advantage of protecting the heating pipe of the economizer during hoisting, and solves the problems that the existing installation mode is to directly hoist the low-temperature economizer for installation, and the existing hoisting mode is easy to cause damage of the heating pipe of the economizer and further cause the failure of the economizer due to the fact that the heating pipe of the economizer is fragile.

In order to achieve the purpose, the utility model provides the following technical scheme: the device for protecting the heating pipe when the low-temperature coal economizer in the power plant is put into use comprises a concave mould box and an economizer body, wherein the economizer body is positioned in the inner cavity of the concave mould box, the left side and the right side of the concave box are both in threaded connection with screw rods, one side of each screw rod opposite to the other side is fixedly connected with a rotating handle, one side of each screw rod opposite to the other side penetrates through the concave box and is rotatably connected with a clamping plate through a bearing, the bottom of one side of each clamping plate opposite to the other side is fixedly connected with a connecting plate, the top of the connecting plate is tightly attached to the bottom of the economizer body, grooves are uniformly formed in the outer surface of the concave box, one side of the inner cavity of the groove is fixedly connected with a pressure spring, the inner surface of the groove is movably connected with a driving column, one end of the pressure spring, which is close to the driving column, is fixedly connected with the joint of the driving column, and one end of the driving column, which is far away from the pressure spring, extends to the outer side of the groove.

Preferably, the top fixedly connected with slider of splint, the spout that the cooperation slider used is all seted up to the left and right sides at female mould case inner chamber top, the surface of slider and the internal surface sliding connection of spout.

Preferably, the top and the bottom of the driving column are fixedly connected with guide blocks which are located in the inner cavities of the grooves, guide grooves matched with the guide blocks for use are formed in the top and the bottom of the inner cavities of the grooves, and the outer surfaces of the guide blocks are connected with the inner surfaces of the guide grooves in a sliding mode.

Preferably, one end of the clamping plate, which is far away from the screw rod, is fixedly connected with a protection pad, and one end of the protection pad, which is far away from the clamping plate, is tightly attached to the joint of the economizer body.

Preferably, the outer surface of the screw rod is in threaded connection with a nut, and one side of the nut, which is far away from the rotating handle, is tightly attached to the joint of the concave box.

Preferably, the left side and the right side of the top of the concave box are both fixedly connected with lifting rings, and the front side and the back side of the concave box are both fixedly connected with handles.

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

when the utility model is used, the concave box is sleeved outside the economizer body, then the rotating handle is rotated to drive the screw rod to rotate, the screw rod drives the clamping plate to move towards the middle through the guide of the sliding block and the sliding groove, the coal economizer body is fixed through the clamping plate and the protective pad, the coal economizer body is fixed inside the concave mould box, meanwhile, the bottom of the economizer body is supported and reinforced through the connecting plate, the economizer body is prevented from falling off during hoisting, and finally the nut is rotated to be tightly attached to the surface of the concave box, the screw is fixed and limited, then the concave box is hoisted, and then the coal economizer body is hoisted and moved, when the concave box collides, the driving column firstly contacts with the colliding object, the colliding object drives the driving column to move, the driving column drives the compression spring to contract, the collision force is buffered through the action of the pressure spring, and the coal economizer body is prevented from being damaged due to collision.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

fig. 4 is a perspective view of the splint and protective pad structure of the present invention.

In the figure: 1. a concave mould box; 2. an economizer body; 3. a screw; 4. a handle is rotated; 5. a splint; 6. a connecting plate; 7. a groove; 8. a pressure spring; 9. a drive column; 10. a slider; 11. a chute; 12. a guide block; 13. a guide groove; 14. a protective pad; 15. a nut; 16. a hoisting ring; 17. a handle.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-4, the device for protecting a heating pipe when a low-temperature economizer in a power plant is put into use comprises a concave box 1 and an economizer body 2, wherein the economizer body 2 is positioned in an inner cavity of the concave box 1, the left side and the right side of the concave box 1 are both in threaded connection with screws 3, one sides of the two screws 3 opposite to each other are both fixedly connected with rotating handles 4, one sides of the two screws 3 opposite to each other penetrate through the concave box 1 and are rotatably connected with clamping plates 5 through bearings, the bottoms of the two clamping plates 5 opposite to each other are both fixedly connected with connecting plates 6, the top of the connecting plates 6 are tightly attached to the bottom of the economizer body 2, grooves 7 are uniformly formed in the outer surface of the concave box 1, one side of the inner cavity of each groove 7 is fixedly connected with a pressure spring 8, the inner surface of each groove 7 is movably connected with a driving column 9, one end of each pressure spring 8, which is close to the driving column 9, one end of each driving column 9, which is far away from the pressure spring 8, extends to the outer side of each groove 7, through setting up turning handle 4, screw rod 3, splint 5 and connecting plate 6, can fix economizer body 2 in female mould case 1, through setting up recess 7, pressure spring 8 and drive post 9, can cushion the collision of female mould case 1, and then cushion the collision of economizer body 2, avoid economizer body 2 to damage because of the collision.

Specifically, the top fixedly connected with slider 10 of splint 5, the spout 11 that cooperation slider 10 used is all seted up to the left and right sides at 1 inner chamber top of drag box, and the effect of direction can be played to splint 5's removal through setting up slider 10 and spout 11 to the surface of slider 10 and the internal surface sliding connection of spout 11, also carries on spacingly to splint 5's removal simultaneously.

Specifically, the top and the bottom of drive column 9 and the equal fixedly connected with guide block 12 of inner chamber that is located recess 7, the guide way 13 that cooperation guide block 12 used has all been seted up to the top and the bottom of recess 7 inner chamber, the surface of guide block 12 and the internal surface sliding connection of guide way 13, through setting up guide block 12 and guide way 13, can play the effect of direction to the removal of drive column 9, also carry on spacingly to the removal of drive column 9 simultaneously.

Specifically, the one end fixedly connected with protection of screw rod 3 is kept away from to splint 5 fills up 14, and the one end that splint 5 was kept away from to protection fills up 14 and closely laminates with the junction of economizer body 2, fills up 14 through setting up the protection, can protect economizer body 2 and warm pipe.

Specifically, the outer surface threaded connection of screw rod 3 has nut 15, and one side that the twist grip 4 was kept away from to nut 15 closely laminates with the junction of concave case 1, through setting up nut 15, can fix spacingly to screw rod 3.

Specifically, the equal fixedly connected with rings 16 in the left and right sides at the top of female die box 1, the equal fixedly connected with handle 17 in the front and the back of female die box 1 can conveniently hoist female die box 1 by setting up rings 16, and can conveniently stabilize female die box 1 by workers in the hoisting process by setting up handle 17.

The principle of the embodiment is as follows:

when the coal economizer is used, the concave box 1 is sleeved outside the coal economizer body 2, then the rotating handle 4 is rotated, the rotating handle 4 drives the screw rod 3 to rotate, the screw rod 3 drives the clamping plate 5 to move towards the middle through the guide of the sliding block 10 and the sliding groove 11, the coal economizer body 2 is fixed through the clamping plate 5 and the protective pad 14, the coal economizer body 2 is fixed inside the concave box 1, meanwhile, the bottom of the coal economizer body 2 is supported and reinforced through the connecting plate 6, the coal economizer body 2 is prevented from falling off during hoisting, finally, the screw cap 15 is rotated, the screw cap 15 is tightly attached to the surface of the concave box 1, the screw rod 3 is fixed and limited, then the concave box 1 is hoisted, the coal economizer body 2 is further hoisted and moved, when the concave box 1 collides, the driving column 9 firstly contacts with a collision object, the collision object drives the driving column 9 to move, the driving column 9 drives the pressure spring 8 to shrink, the collision force is buffered through the action of the pressure spring 8, and the coal economizer body 2 is prevented from being damaged due to collision.

Claims (6)

1. Warm pipe protection device when power plant low temperature economizer drops into, including drag case (1) and economizer body (2), its characterized in that: the coal economizer comprises a coal economizer body (2), screw rods (3) are in threaded connection with the left side and the right side of a concave box (1), rotary handles (4) are fixedly connected with the two screw rods (3) on the opposite sides, the two screw rods (3) on the opposite sides penetrate through the concave box (1) and are rotatably connected with clamping plates (5) through bearings, connecting plates (6) are fixedly connected with the bottoms of the two clamping plates (5) on the opposite sides, the top of each connecting plate (6) is tightly attached to the bottom of the coal economizer body (2), grooves (7) are uniformly formed in the outer surface of the concave box (1), pressure springs (8) are fixedly connected to one sides of the inner cavities of the grooves (7), driving columns (9) are movably connected to the inner surfaces of the grooves (7), one ends, close to the driving columns (9), of the pressure springs (8) are fixedly connected with the joints of the driving columns (9), one end, far away from the pressure spring (8), of the driving column (9) extends to the outer side of the groove (7).

2. The plant low-temperature economizer warm pipe protection device when put into operation of claim 1, characterized in that: the top fixedly connected with slider (10) of splint (5), spout (11) that cooperation slider (10) used are all seted up to the left and right sides at female die box (1) inner chamber top, the surface of slider (10) and the internal surface sliding connection of spout (11).

3. The plant low-temperature economizer warm pipe protection device when put into operation of claim 1, characterized in that: the top and the bottom of drive column (9) just are located equal fixedly connected with guide block (12) of inner chamber of recess (7), guide way (13) that cooperation guide block (12) used are all seted up to the top and the bottom of recess (7) inner chamber, the surface of guide block (12) and the internal surface sliding connection of guide way (13).

4. The plant low-temperature economizer warm pipe protection device when put into operation of claim 1, characterized in that: one end of the clamping plate (5) far away from the screw rod (3) is fixedly connected with a protection pad (14), and one end of the protection pad (14) far away from the clamping plate (5) is tightly attached to the joint of the economizer body (2).

5. The plant low-temperature economizer warm pipe protection device when put into operation of claim 1, characterized in that: the outer surface threaded connection of screw rod (3) has nut (15), nut (15) keep away from the one side of turning handle (4) and the junction of female mould case (1) closely laminate.

6. The plant low-temperature economizer warm pipe protection device when put into operation of claim 1, characterized in that: the left side and the right side of the top of the female die box (1) are fixedly connected with lifting rings (16), and the front side and the back side of the female die box (1) are fixedly connected with handles (17).

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