CN111473515A

CN111473515A - Heat exchange device for steam water heater

Info

Publication number: CN111473515A
Application number: CN202010155184.4A
Authority: CN
Inventors: 朱明�
Original assignee: Shanghai Leyang Enterprise Development Co ltd
Current assignee: Shanghai Leyang Enterprise Development Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-07-31

Abstract

The invention discloses a heat exchange device for a steam water heater, which comprises a heat exchanger and a decontamination box, wherein a pressure release valve is arranged on the side surface of the heat exchanger, a second fixing sleeve and the decontamination box are arranged on the adjacent surfaces of the pressure release valve on the heat exchanger, a first fixing sleeve is arranged on the outer side of the decontamination box, a water inlet pipe is arranged on the inner side of the decontamination box, a filter screen is arranged in the decontamination box, convex blocks are arranged on the top and the bottom of the filter screen, the top and the bottom of the filter screen are fixedly connected, the convex blocks and the top and the bottom of the filter screen are connected through bolts, a bottom cover is arranged on the bottom of the decontamination box, the bottom cover and the decontamination box are connected through threads, and a first. The invention can not generate the phenomenon of connection dislocation, increases the sealing property and the service life of the exchange device, simultaneously can prevent the heat exchanger from being blocked to cause the condition of incapability of use, and increases the use effect of the heat exchanger.

Description

Heat exchange device for steam water heater

Technical Field

The invention relates to the technical field of heat exchange of steam water heaters, in particular to a heat exchange device for a steam water heater.

Background

Heat exchangers are devices used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements, and are an industrial application of convective and conductive heat transfer. Heat exchangers can be classified in different ways. The operation process can be divided into three categories of dividing wall type, mixed type and heat accumulating type (or called regenerative type); the surface compactness can be divided into a compact type and a non-compact type, and a heat exchanger is required when the steam water heater is produced.

Current steam water heater heat exchange device can not make the accurate alignment of steam water heater and heat exchanger, often can take place the phenomenon of dislocation when connecting, leads to the condition such as leaking, and heat exchanger inlet tube department can't filter external water moreover, leads to heat exchanger to block up easily.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a heat exchange device for a steam water heater.

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

the utility model provides a heat exchange device for steam water heater, includes heat exchanger and scrubbing case, the heat exchanger side is equipped with the relief valve, the adjacent surface of relief valve place face is equipped with the fixed cover of second and scrubbing case on the heat exchanger, and the scrubbing case outside is equipped with first fixed cover, the scrubbing incasement side is equipped with the inlet tube, and the scrubbing incasement portion is equipped with the filter screen, filter screen top and bottom all are equipped with the lug, and lug and filter screen top and bottom fixed connection, pass through bolted connection between lug and the scrubbing case, and scrubbing bottom of the case portion is equipped with the bottom, pass through threaded connection between bottom and the scrubbing case, be equipped with first curb plate and second curb plate in the heat exchanger, and be equipped with hot exchange pipe between first curb plate and the second curb plate, the first curb plate outside is equipped with the connecting pipe, and communicate between connecting pipe and the.

Preferably, the pressure relief pipe is arranged on the outer side of the side face of the pressure relief valve, one end of the pressure relief pipe is communicated with the water outlet pipe, and the pressure relief pipe is connected with the side face of the water outlet pipe in a sealing mode.

Preferably, the bottom cover bottom is equipped with the handle, and handle and bottom cover bottom welding, inlet tube and scrubbing case sealing connection, and inlet tube and scrubbing case communicate mutually.

Preferably, the first fixing sleeve is communicated with the decontamination box, and the decontamination box is in sealing connection with the first fixing sleeve.

Preferably, the second fixing sleeve is communicated with the water outlet pipe, and the water outlet pipe is in sealing connection with the second fixing sleeve.

Preferably, the connecting pipes and the heat exchange pipes are respectively provided with a plurality of connecting pipes, and the connecting pipes are connected with the heat exchange pipes in a sealing manner.

Preferably, the first side plate and the second side plate are welded with the heat exchange tubes and the connecting tubes, and the top and the bottom of the first side plate and the second side plate are welded with the top and the bottom of the heat exchanger respectively.

The invention has the beneficial effects that:

1. according to the invention, through the arrangement of the first fixing sleeve and the second fixing sleeve, the steam water heater can be accurately aligned and connected with the water inlet pipe and the water outlet pipe, the phenomenon of connection dislocation is avoided, and the sealing property and the service life of the exchange device are improved.

2. According to the invention, through the arrangement of the decontamination box, the external water can be filtered, impurities in the external water are effectively prevented from entering the heat exchanger, so that the situation that the heat exchanger is blocked to cause incapability of use is prevented, and the using effect of the heat exchanger is improved.

Drawings

Fig. 1 is a schematic view of an internal structure of a heat exchange device for a steam water heater according to the present invention;

fig. 2 is a schematic structural view of a heat exchange device for a steam water heater according to the present invention;

fig. 3 is a sectional view of a decontamination box of a heat exchange device for a steam water heater according to the present invention.

In the figure: the device comprises a first side plate 1, a connecting pipe 2, a first fixing sleeve 3, a water inlet pipe 4, a second side plate 5, a heat exchange pipe 6, a water outlet pipe 7, a second fixing sleeve 8, a decontamination box 9, a heat exchanger 10, a pressure release valve 11, a pressure release pipe 12, a bottom cover 13, a filter screen 14, a handle 15 and a convex block 16.

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. 1-3, a heat exchange device for a steam water heater comprises a heat exchanger 10 and a decontamination box 9, a pressure release valve 11 is arranged on the side surface of the heat exchanger 10, a second fixing sleeve 8 and the decontamination box 9 are arranged on the adjacent surface of the pressure release valve 11 on the heat exchanger 10, a first fixing sleeve 3 is arranged on the outer side of the decontamination box 9, a water inlet pipe 4 is arranged on the inner side of the decontamination box 9, a filter screen 14 is arranged in the decontamination box 9, convex blocks 16 are arranged on the top and the bottom of the filter screen 14, the convex blocks 16 and the top of the filter screen are fixedly connected with the bottom, the convex blocks 16 are connected with the decontamination box 9 through bolts, a bottom cover 13 is arranged on the bottom of the decontamination box 9, the bottom cover 13 is connected with the decontamination box 9 through threads, a first side plate 1 and a second side plate 5 are arranged in the heat exchanger 10, a heat exchange, and the connecting pipe 2 and the heat exchange pipe 6 are communicated with each other.

According to the invention, the pressure relief pipe 12 is arranged on the outer side of the side surface of the pressure relief valve 11, one end of the pressure relief pipe 12 is communicated with the water outlet pipe 7, the pressure relief pipe 12 is hermetically connected with the side surface of the water outlet pipe 7, and the gas in the heat exchanger 10 can be drained through the pressure relief valve 11 and the pressure relief pipe 12, so that the overlarge pressure in the heat exchanger 10 is prevented. The bottom cover 13 is provided with a handle 15 at the bottom, the handle 15 is welded with the bottom of the bottom cover 13, the water inlet pipe 4 is hermetically connected with the decontamination box 9, and the water inlet pipe 4 is communicated with the decontamination box 9. The first fixing sleeve 3 is communicated with the decontamination box 9, and the decontamination box 9 is hermetically connected with the first fixing sleeve 3. The second fixing sleeve 8 is communicated with the water outlet pipe 7, and the water outlet pipe 7 is connected with the second fixing sleeve 8 in a sealing way. The connecting pipes 2 and the heat exchange pipes 6 are respectively provided with a plurality of connecting pipes 2 and heat exchange pipes 6 which are connected in a sealing way. The first and

second side plates

1 and 5 are surface-welded with the heat exchange tubes 6 and the connection tubes 2, and the top and bottom of the first and

second side plates

1 and 5 are respectively welded with the top and bottom of the heat exchanger 10.

The working principle is as follows: at first through the setting of the fixed cover 8 of first fixed cover 3 and second, can be accurate align steam water heater with inlet tube 4 and outlet pipe 7 and be connected, the phenomenon of connecting the dislocation can not appear, this exchange device's leakproofness and life have been increased, treat that steam water heater and this heat exchanger 10 connect the back, still can be through the setting of removing dirty case 9, filter external water, effectually avoid in the impurity of external aquatic gets into heat exchanger 10, thereby prevent that heat exchanger 10 from blockking up, the condition that leads to unable use takes place, the result of use of this heat exchanger 10 has been increased, when using, can be to the gas drainage in the heat exchanger 10 through relief valve 11 and relief pipe 12, prevent that the pressure in the heat exchanger 10 is too big, the life of this heat exchanger 10 has been increased.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as illustrative and not restrictive in all respects, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, any reference signs in the claims being therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The heat exchange device for the steam water heater comprises a heat exchanger (10) and a decontamination box (9), and is characterized in that a pressure release valve (11) is arranged on the side face of the heat exchanger (10), a second fixing sleeve (8) and the decontamination box (9) are arranged on the adjacent face of the surface where the pressure release valve (11) is arranged on the heat exchanger (10), a first fixing sleeve (3) is arranged on the outer side of the decontamination box (9), a water inlet pipe (4) is arranged on the inner side of the decontamination box (9), a filter screen (14) is arranged in the decontamination box (9), convex blocks (16) are arranged on the top and the bottom of the filter screen (14), the convex blocks (16) are fixedly connected with the top and the bottom of the filter screen, the convex blocks (16) are connected with the decontamination box (9) through bolts, a bottom cover (13) is arranged at the bottom of the decontamination box (9), and the bottom cover (13) is connected with the, be equipped with first curb plate (1) and second curb plate (5) in heat exchanger (10), and be equipped with hot exchange pipe (6) between first curb plate (1) and second curb plate (5), first curb plate (1) outside is equipped with connecting pipe (2), and communicates between connecting pipe (2) and hot exchange pipe (6).

2. The heat exchange device for the steam water heater according to claim 1, wherein a pressure relief pipe (12) is arranged outside the side surface of the pressure relief valve (11), one end of the pressure relief pipe (12) is communicated with the water outlet pipe (7), and the pressure relief pipe (12) is hermetically connected with the side surface of the water outlet pipe (7).

3. The heat exchange device for the steam water heater as claimed in claim 1, wherein the bottom cover (13) is provided with a handle (15) at the bottom, the handle (15) is welded with the bottom of the bottom cover (13), the water inlet pipe (4) is hermetically connected with the decontamination box (9), and the water inlet pipe (4) is communicated with the decontamination box (9).

4. A heat exchange device for steam water heaters, as claimed in claim 1, characterized in that the first housing (3) communicates with the decontamination box (9), and the decontamination box (9) is hermetically connected to the first housing (3).

5. A heat exchange device for a steam water heater according to claim 1, characterized in that said second housing (8) communicates with the outlet pipe (7) and the outlet pipe (7) is hermetically connected to the second housing (8).

6. A heat exchange device for a steam water heater according to claim 1, characterized in that the connecting pipe (2) and the heat exchange pipe (6) are provided in plurality, and the connecting pipe (2) and the heat exchange pipe (6) are hermetically connected.

7. The heat exchange device for the steam water heater according to claim 1, wherein the first side plate (1) and the second side plate (5) are surface-welded with the heat exchange tube (6) and the connection tube (2), and top and bottom of the first side plate (1) and the second side plate (5) are respectively welded with top and bottom of the heat exchanger (10).