CN210624558U

CN210624558U - Heater device for heating raw water by boiler flue gas

Info

Publication number: CN210624558U
Application number: CN201921162784.2U
Authority: CN
Inventors: 肖强
Original assignee: China Energy Engineering Group Technology Development Co ltd
Current assignee: China Energy Engineering Group Technology Development Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-26
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a heater unit for boiler flue gas heating raw water, include spiral pipe and the heat absorption mechanism who is connected with the spiral pipe, heat absorption mechanism includes the outer pipe shell, and outer pipe shell inner wall has interior tube through the bolt fastening, interior tube one side inner wall has the collector tube through the screw fastening, and the outer wall of collector tube one side opens the first round hole that has the equidistance and distributes, first round hole inner wall spiro union has violently the pipe, and violently manages the outer wall and be equipped with the heat absorption piece that the equidistance distributes, the guiding groove that has the corrugate that the equidistance distributes is opened to the heat absorption piece outer wall, interior tube opposite side inner wall has the liquid distribution pipe through the screw fastening, collector tube and liquid distribution pipe one side all are equipped with the play oil pipe. The utility model discloses the effect that the realization utilized unnecessary heat in the flue to carry out the raw water to preheat in the inlet channel improves resource utilization, reduces the energy consumption, the long service life of heat absorption mechanism, and waste heat utilization rate is high, and the practicality is strong.

Description

Heater device for heating raw water by boiler flue gas

Technical Field

The utility model relates to a heating device technical field especially relates to a heater unit that is used for boiler flue gas heating raw water.

Background

The boiler is operated at the same time in the two parts of boiler and boiler, after water enters the boiler, the boiler heating surface transfers the absorbed heat to water in the steam-water system, so that the water is heated into hot water with certain temperature and pressure or generated steam, and the hot water or the generated steam is led out for application. In the combustion equipment part, fuel is combusted to continuously release heat, high-temperature flue gas generated by combustion transfers the heat to a boiler heating surface through heat propagation, the temperature of the high-temperature flue gas is gradually reduced, and the high-temperature flue gas is finally discharged from a chimney.

The flue gas of the boiler flue contains a large amount of heat, and most of the heat is not recycled, so that a large amount of energy is lost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heater device for heating raw water by boiler flue gas.

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

the heater device for heating raw water by boiler flue gas comprises a spiral pipe and a heat absorption mechanism connected with the spiral pipe, wherein the heat absorption mechanism comprises an outer shell, an inner pipe shell is fixed on the inner wall of the outer pipe shell through bolts, a liquid collecting pipe is fixed on the inner wall of one side of the inner pipe shell through screws, the outer wall of one side of the liquid collecting pipe is provided with first round holes which are distributed at equal intervals, the inner wall of each first round hole is connected with a transverse pipe in a threaded manner, and the outer wall of the transverse pipe is provided with heat absorbing sheets which are distributed at equal intervals, the outer wall of each heat absorbing sheet is provided with corrugated guide grooves which are distributed at equal intervals, a liquid distribution pipe is fixed on the inner wall of the other side of the inner tube shell through screws, an oil outlet pipe and an oil inlet pipe which are communicated with the inner cavity are arranged on one side of the liquid collection pipe and one side of the liquid distribution pipe, the oil outlet pipe and the oil inlet pipe are respectively connected with two ends of the spiral pipe through pipelines, a circulating pump is arranged at one end of the spiral pipe in a butt-clamping mode, and the top and the bottom of the inner pipe shell are both provided with a screen with a conical surface structure through screws.

Preferably, the outer wall of the inner pipe shell is provided with connecting pieces distributed at equal intervals, the cross sections of the connecting pieces are I-shaped structures, and one ends of the connecting pieces are fixed on the inner wall of the outer pipe shell through bolts.

Preferably, the mounting seats distributed at equal intervals are welded at the top and the bottom of the outer pipe shell outer wall, and mounting holes are formed in the outer wall of each mounting seat close to four corners.

Preferably, the outer wall of the spiral pipe is sleeved with a heat insulation sleeve, and the heat insulation sleeve is of a structure with two open ends.

Preferably, the outer wall of one side of the liquid distribution pipe is provided with second round holes which are distributed at equal intervals, and one end of the transverse pipe is in threaded connection with the second round holes.

Preferably, the circulating pump is connected with a PLC controller through a wire, and the PLC controller is connected with a power cord.

The utility model has the advantages that:

1. through the setting of spiral pipe and heat absorption mechanism, the effect that raw water preheated in the realization utilized unnecessary heat in the flue to the inlet channel improves resource utilization, reduces the energy consumption, through the setting of bottom and top screen cloth, can prevent effectively that smoke and dust and heat absorption piece from contacting, avoids the condition that the heat absorption effect that heat absorption piece outer wall deposition leads to descends, increases the life of heat absorption mechanism.

2. Through the setting of corrugate guiding groove, can fully prolong the contact time of hot cigarette after filtering and heat absorbing sheet and greatly increased heat absorbing sheet's the surface area of being heated, guarantee waste heat utilization, the heating effect of reinforcing device, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of a heater device for heating raw water by using boiler flue gas according to the present invention;

fig. 2 is the schematic view of the internal structure of the inner tube casing of the heater device for heating raw water by boiler flue gas provided by the utility model.

In the figure: 1 spiral pipe, 2 outer pipe casings, 3 inner pipe casings, 4 connecting pieces, 5 collector tubes, 6 horizontal pipes, 7 heat absorbing sheets, 8 guide grooves, 9 liquid distributing pipes, 10 oil outlet pipes, 11 oil inlet pipes, 12 screens, 13 mounting seats, 14 heat preservation sleeves and 15 circulating pumps.

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.

Referring to fig. 1-2, a heater apparatus for heating raw water by boiler flue gas comprises a spiral tube 1 and a heat absorption mechanism connected with the spiral tube 1, the heat absorption mechanism comprises an outer tube shell 2, an inner tube shell 3 is fixed on the inner wall of the outer tube shell 2 through bolts, a liquid collecting tube 5 is fixed on the inner wall of one side of the inner tube shell 3 through screws, first round holes are formed on the outer wall of one side of the liquid collecting tube 5 and are distributed equidistantly, transverse tubes 6 are screwed on the inner wall of the first round holes, heat absorption sheets 7 are distributed equidistantly on the outer wall of the transverse tubes 6, corrugated guide grooves 8 are formed on the outer wall of the heat absorption sheets 7 and are distributed equidistantly, a liquid distribution tube 9 is fixed on the inner wall of the other side of the inner tube shell 3 through screws, an oil outlet tube 10 and an oil inlet tube 11 communicated with an inner cavity are respectively arranged on one side of the

liquid collecting tube

5 and, 3 tops of inner tube shell and bottom all are through the screen cloth 12 that the screw fixation has conical surface structure, 3 outer walls of inner tube shell are equipped with the connecting piece 4 that the equidistance distributes, the cross-section of connecting piece 4 is the I shape structure, 4 one ends of connecting piece are passed through the bolt fastening in 2 inner walls of outer tube shell, 2 outer wall tops of outer tube shell all weld the mount pad 13 that the equidistance distributes with bottom department, mount pad 13 outer wall is close to four corners department and has all opened the mounting hole, 1 outer wall cover of spiral pipe is equipped with insulation cover 14, insulation cover 14 is both ends open structure, divide 9 one side outer walls of liquid pipe to open the second round hole that has the equidistance to distribute, violently manage 6 one end spiro union and in the second round hole.

The working principle is as follows: outer pipe shell 2 is installed in the flue, spiral pipe 1 cup joints outside boiler raw water inlet pipe, the effect that the realization utilized unnecessary heat to preheat raw water in the inlet pipe in the flue, improve resource utilization, reduce the energy consumption, hot cigarette in the flue contains a large amount of smoke and dust, setting through bottom and top screen cloth 12, can prevent effectively that smoke and dust from contacting with heat absorption piece 7, avoid the condition that the heat absorption effect that the heat absorption piece outer wall deposition leads to descends, increase the life of heat absorption mechanism, setting through corrugate guiding groove 8, can fully prolong the hot cigarette after filtering and the contact time of heat absorption piece and the surface area of being heated of greatly increased heat absorption piece, guarantee waste heat utilization, the heating effect of reinforcing device, therefore, the clothes hanger is strong in practicability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heater device for heating raw water by boiler flue gas comprises a spiral pipe (1) and a heat absorption mechanism connected with the spiral pipe (1), and is characterized in that the heat absorption mechanism comprises an outer casing (2), an inner casing (3) is fixed on the inner wall of the outer casing (2) through bolts, a liquid collecting pipe (5) is fixed on the inner wall of one side of the inner casing (3) through screws, first round holes distributed at equal intervals are formed in the outer wall of one side of the liquid collecting pipe (5), a transverse pipe (6) is connected to the inner wall of the first round hole in a screwed manner, heat absorption sheets (7) distributed at equal intervals are arranged on the outer wall of the transverse pipe (6), corrugated guide grooves (8) distributed at equal intervals are formed in the outer wall of the outer heat absorption sheet (7), a liquid distributing pipe (9) is fixed on the inner wall of the other side of the inner casing (3) through screws, an oil outlet pipe (10) and an oil inlet pipe (11, the oil outlet pipe (10) and the oil inlet pipe (11) are respectively connected with two ends of the spiral pipe (1) through pipelines, a circulating pump (15) is arranged at one end of the spiral pipe (1) in a butt-clamping mode, and the top and the bottom of the inner pipe shell (3) are both fixed with a screen (12) with a conical surface structure through screws.

2. The heater apparatus for heating raw water by boiler flue gas according to claim 1, wherein the outer wall of the inner shell (3) is provided with connectors (4) distributed equidistantly, the cross section of each connector (4) is in an I-shaped structure, and one end of each connector (4) is fixed on the inner wall of the outer shell (2) through a bolt.

3. The heater apparatus for heating raw water by boiler flue gas as recited in claim 1, wherein mounting seats (13) are welded on the top and bottom of the outer wall of the outer tube shell (2) at equal intervals, and mounting holes are opened on the outer wall of the mounting seats (13) near four corners.

4. The heater device for heating raw water by boiler flue gas as recited in claim 1, wherein the outer wall of said spiral pipe (1) is sleeved with a thermal insulation sleeve (14), and the thermal insulation sleeve (14) is of a structure with two open ends.

5. The heater apparatus for heating raw water by boiler flue gas as claimed in claim 1, wherein the outer wall of one side of the liquid distribution pipe (9) is provided with second round holes distributed at equal intervals, and one end of the horizontal pipe (6) is screwed into the second round holes.

6. The heater apparatus for heating raw water by boiler flue gas as claimed in claim 1, wherein the circulating pump (15) is connected with a PLC controller through a wire, and the PLC controller is connected with a power cord.