CN219037708U

CN219037708U - Vertical fuel oil gas steam boiler

Info

Publication number: CN219037708U
Application number: CN202222763791.6U
Authority: CN
Inventors: 沈大伟
Original assignee: Yangzhou Hongyao Boiler Co ltd
Current assignee: Yangzhou Hongyao Boiler Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-16
Anticipated expiration: 2032-10-20

Abstract

The utility model provides a vertical fuel oil and gas steam boiler, comprising: furnace shell, stove courage, go up smoke chamber, lower smoke chamber, combustor still include: the inner ring connecting pipe and the outer ring connecting pipe are respectively provided with a plurality of groups and are arranged outside the furnace pipe in a surrounding mode, the top of the inner ring connecting pipe is communicated with the top of the furnace pipe, the bottom of the inner ring connecting pipe is communicated with the lower smoke chamber, the top of the outer ring connecting pipe is communicated with the bottom of the upper smoke chamber, the bottom of the outer ring connecting pipe is communicated with the lower smoke chamber, and the inner ring connecting pipes are positioned on the inner side of the outer ring connecting pipe and are arranged at intervals in a staggered mode. The smoke tube of the utility model is composed of the inner ring connecting tube and the outer ring connecting tube, the inner ring connecting tube is positioned at the inner side of the outer ring connecting tube and is arranged at intervals in a staggered way, and the smoke tube in the comparison document is positioned in the same ring layer, so that the device effectively improves the contact area of the smoke tube and water in the water-clamping layer, the heat exchange effect is better, and meanwhile, the positions of the smoke tube are more dispersed, and the positions of the heat source in the water-clamping layer are more dispersed.

Description

Vertical fuel oil gas steam boiler

Technical Field

The utility model relates to the field of boiler equipment, in particular to a final vertical fuel oil, gas and steam boiler.

Background

The fuel gas boiler is equipment for heating by adopting fuel oil or fuel gas, waste gas pollution generated by the fuel gas boiler is small compared with that of a traditional coal boiler, environmental protection performance is better, the utility model patent with the patent number of CN2536906Y discloses a vertical fuel gas steam boiler, the device comprises a boiler shell, a boiler liner, a partition plate, a lower flue gas chamber, an upper flue gas chamber, a furnace cover, a flue pipe, a chimney interface, a water pump, a valve, a combustor and an electric cabinet, and particularly, the device is provided with a preheating coil in the upper flue gas chamber, water is firstly fed into the preheating coil for preheating treatment and then is fed into a water clamping layer for heating into steam.

Disclosure of Invention

In view of the above-mentioned problems in the background art, the present utility model provides a vertical fuel gas steam boiler, comprising: the stove comprises a stove outer covering, a stove courage, go up smoke chamber, lower smoke chamber, combustor, the stove courage is installed in the stove outer covering, go up smoke chamber install to stove courage top, the baffling baffle is installed to the bottom in the stove courage, makes stove courage below form down the smoke chamber through baffling baffle, form the water clamping layer between the lateral wall of stove courage and last smoke chamber and the stove outer covering, the combustor sets up in the outside of stove outer covering, pass through the pipe connection between stove courage and the combustor, still include: the inner ring connecting pipe and the outer ring connecting pipe are respectively provided with a plurality of groups and are arranged outside the furnace liner in a surrounding mode, the top of the inner ring connecting pipe is communicated with the top of the furnace liner, the bottom of the inner ring connecting pipe is communicated with the lower smoke chamber, the top of the outer ring connecting pipe is communicated with the bottom of the upper smoke chamber, the bottom of the outer ring connecting pipe is communicated with the lower smoke chamber, and the inner ring connecting pipes are positioned on the inner side of the outer ring connecting pipe and are arranged at intervals in a staggered mode.

As a preferable scheme of the utility model, the baffle plate is in a concave annular plate structure, the top of the baffle plate is fixedly connected with the inner side wall of the furnace, and the bottom of the baffle plate is fixedly connected with the bottom of the furnace.

As a preferable scheme of the utility model, a plurality of inwards concave grooves are circumferentially arranged at the middle position of the side wall of the upper smoke chamber.

As a preferable mode of the utility model, an exhaust gas utilization box is arranged on the side of the furnace shell, the top of the upper smoke chamber is connected to the exhaust gas utilization box through a connecting pipe, an exhaust pipe is arranged at the bottom of the other side of the exhaust gas utilization box, and a water supplementing preheating device is arranged in the exhaust gas utilization box.

As a preferred embodiment of the present utility model, the water replenishing and preheating device includes: the first end of the uplink water pipe is connected with an external water pipe, the second end of the uplink water pipe is inserted inwards from the top of the side wall of the waste gas utilization box, the first end of the downlink water pipe is communicated with the water clamping layer, the second end of the downlink water pipe is inserted inwards from the bottom of the side wall of the waste gas utilization box, the heat exchange pipe row is vertically installed in the waste gas utilization box, and the upper end and the lower end of the heat exchange pipe row are respectively communicated with the uplink water pipe and the downlink water pipe.

As a preferable scheme of the utility model, a steam outlet, a pressure relief valve and a pressure gauge are arranged at the top of the furnace shell.

Compared with the prior art, the utility model provides the vertical fuel oil, gas and steam boiler, which has the following beneficial effects:

1. the smoke tube of the utility model is composed of the inner ring connecting tube and the outer ring connecting tube, the inner ring connecting tube is positioned at the inner side of the outer ring connecting tube and is arranged at intervals in a staggered way, and the smoke tube in the comparison document is positioned in the same ring layer, so that the device effectively improves the contact area of the smoke tube and water in the water-clamping layer, the heat exchange effect is better, and meanwhile, the positions of the smoke tube are more dispersed, and the positions of the heat source in the water-clamping layer are more dispersed.

2. The utility model is provided with a plurality of inwards concave grooves around the middle part of the side wall of the upper smoke chamber, thereby increasing the surface area of the upper smoke chamber, improving the contact area with water in the water-clamping layer and improving the heat exchange effect.

3. According to the utility model, the waste gas utilization box is arranged at the side of the furnace shell, the water supplementing preheating device is arranged in the waste gas utilization box, and the gas exhausted from the upper smoke chamber is reused, so that the energy utilization rate is effectively improved.

Drawings

Fig. 1 is a schematic perspective view of a vertical fuel oil and gas steam boiler.

Fig. 2 is a perspective view of a vertical fuel oil and gas steam boiler.

Fig. 3 is a sectional view of a vertical fuel oil and gas steam boiler.

Fig. 4 is a schematic perspective view of a baffle plate.

Wherein: 1-furnace shell; 2-a furnace pipe; 3-baffle plate; 4-a smoke discharging chamber; 5-a smoke feeding chamber; 501-grooves; 6-an inner ring connecting pipe; 7-an outer ring connecting pipe; 8-a burner; 9-an exhaust gas utilization tank; 10-an uplink water pipe; 11-a downlink water pipe; 12-heat exchange tube rows; 13-exhaust pipe.

Description of the embodiments

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 4, the present utility model provides a vertical fuel gas steam boiler, comprising: furnace shell 1, furnace courage 2, go up smoke chamber 5, lower smoke chamber 4, combustor 8, furnace courage 2 is installed in the furnace shell 1, go up smoke chamber 5 and install furnace courage 2 top, baffling baffle 3 is installed to the bottom in the furnace courage 2, make furnace courage 2 below form down smoke chamber 4 through baffling baffle 3, form the water-clamping layer between the lateral wall of furnace courage 2 and last smoke chamber 5 and furnace shell 1, combustor 8 sets up in the outside of furnace shell 1, pass through the pipe connection between furnace courage 2 and the combustor 8, steam outlet, the relief valve, the manometer is installed at the top of furnace shell 1, still include: the inner ring connecting pipe 6, outer lane connecting pipe 7, inner ring connecting pipe 6, outer lane connecting pipe 7 all have the multiunit and encircle the setting outside stove courage 2, and the top of inner ring connecting pipe 6 communicates with the top of stove courage 2, and the bottom of inner ring connecting pipe 6 communicates with lower smoke chamber 4, and the top of outer lane connecting pipe 7 communicates with the bottom of last smoke chamber 5, and the bottom of outer lane connecting pipe 7 communicates with lower smoke chamber 4, and inner ring connecting pipe 6 is located the inboard of outer lane connecting pipe 7 and the interval staggered arrangement. The smoke tube of the utility model is composed of the inner ring connecting tube and the outer ring connecting tube, the inner ring connecting tube is positioned at the inner side of the outer ring connecting tube and is arranged at intervals in a staggered way, and the smoke tube in the comparison document is positioned in the same ring layer, so that the device effectively improves the contact area of the smoke tube and water in the water-clamping layer, the heat exchange effect is better, and meanwhile, the positions of the smoke tube are more dispersed, and the positions of the heat source in the water-clamping layer are more dispersed.

The baffle plate 3 of the present utility model is specifically described below, and as shown in fig. 4, the baffle plate 3 is specifically a concave annular plate structure, the top of the baffle plate 3 is fixedly connected with the inner side wall of the furnace 2, and the bottom of the baffle plate 3 is fixedly connected with the bottom of the furnace 2. The high-temperature gas entering the lower smoke chamber 4 is more smoothly led into the outer ring connecting pipe 7 under the guidance of the baffle plate 3.

In order to improve the heat exchange effect of the upper smoke chamber 5, a plurality of inwards concave grooves 501 are circumferentially arranged in the middle of the side wall of the upper smoke chamber 5, and the heat exchange effect is improved by increasing the surface area of the upper smoke chamber and the contact area with water in a water-clamping layer

In order to realize effective utilization of residual heat in tail gas, the side of the furnace shell 1 is provided with the waste gas utilization box 9, the top of the upper smoke chamber 5 is connected to the waste gas utilization box 9 through a connecting pipe, the bottom of the other side of the waste gas utilization box 9 is provided with the exhaust pipe 13, the waste gas utilization box 9 is internally provided with the water supplementing preheating device, and the water supplementing preheating device comprises: the first end of the uplink water pipe 10 is connected with an external water pipe, the second end of the uplink water pipe 10 is inserted inwards from the top of the side wall of the waste gas utilization box 9, the first end of the downlink water pipe 11 is communicated with a water clamping layer, the second end of the downlink water pipe 11 is inserted inwards from the bottom of the side wall of the waste gas utilization box 9, the heat exchange pipe row 12 is vertically installed in the waste gas utilization box 9, and the upper end and the lower end of the heat exchange pipe row 12 are respectively communicated with the uplink water pipe 10 and the downlink water pipe 11.

According to the utility model, the liquid level meter is arranged in the furnace shell 1, the water supplementing pump is arranged on the external water pipe, the liquid level meter and the water supplementing pump are both connected to the control system, and the control system controls the water supplementing pump to be started and closed according to the data measured by the liquid level meter.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A vertical fuel gas steam boiler comprising: stove outer covering (1), stove courage (2), go up smoke chamber (5), lower smoke chamber (4), combustor (8), stove courage (2) are installed in stove outer covering (1), go up smoke chamber (5) install stove courage (2) top, baffling baffle (3) are installed to the bottom in stove courage (2), make stove courage (2) below form smoke chamber (4) through baffling baffle (3), form the water-clamping layer between the lateral wall of stove courage (2) and last smoke chamber (5) and stove outer covering (1), combustor (8) set up the outside at stove outer covering (1), pass through the pipe connection between stove courage (2) and combustor (8), its characterized in that still includes: inner circle connecting pipe (6), outer lane connecting pipe (7), inner circle connecting pipe (6), outer lane connecting pipe (7) all have the multiunit and encircle the setting outside of stove courage (2), the top of inner circle connecting pipe (6) communicates with the top of stove courage (2), the bottom of inner circle connecting pipe (6) communicates with lower smoke chamber (4), the top of outer lane connecting pipe (7) communicates with the bottom of last smoke chamber (5), the bottom of outer lane connecting pipe (7) communicates with lower smoke chamber (4), inner circle connecting pipe (6) are located the inboard of outer lane connecting pipe (7) and the interval is crisscross to be set up.

2. The vertical fuel oil and gas steam boiler according to claim 1, wherein the baffle plate (3) is of a concave annular plate structure, the top of the baffle plate (3) is fixedly connected with the inner side wall of the furnace (2), and the bottom of the baffle plate (3) is fixedly connected with the bottom of the furnace (2).

3. A vertical fuel oil and gas steam boiler according to claim 2, characterized in that a plurality of concave grooves (501) are formed around the middle part of the side wall of the upper smoke chamber (5).

4. A vertical fuel oil and gas steam boiler according to claim 3, characterized in that the side of the furnace shell (1) is provided with an exhaust gas utilization box (9), the top of the upper smoke chamber (5) is connected to the exhaust gas utilization box (9) through a connecting pipe, the bottom of the other side of the exhaust gas utilization box (9) is provided with an exhaust pipe (13), and the exhaust gas utilization box (9) is internally provided with a water supplementing preheating device.

5. The vertical fuel gas steam boiler according to claim 4, wherein the water replenishing and preheating device comprises: the waste gas utilization box comprises an uplink water pipe (10), a downlink water pipe (11) and a heat exchange pipe row (12), wherein a first end of the uplink water pipe (10) is connected with an external water pipe, a second end of the uplink water pipe (10) is inserted inwards from the top of the side wall of the waste gas utilization box (9), the first end of the downlink water pipe (11) is communicated with a water clamping layer, a second end of the downlink water pipe (11) is inserted inwards from the bottom of the side wall of the waste gas utilization box (9), the heat exchange pipe row (12) is vertically installed in the waste gas utilization box (9), and the upper end and the lower end of the heat exchange pipe row (12) are respectively communicated with the uplink water pipe (10) and the downlink water pipe (11).

6. The vertical fuel oil and gas steam boiler according to claim 5, wherein a steam outlet, a pressure relief valve and a pressure gauge are arranged at the top of the boiler shell (1).