CN216619778U

CN216619778U - Steam drum device of waste heat boiler

Info

Publication number: CN216619778U
Application number: CN202123453414.4U
Authority: CN
Inventors: 吴传垚; 严志辉; 金孝娟; 徐睿; 房小威
Original assignee: Shaoxing Huaxin Environmental Protection Technology Co ltd
Current assignee: Shaoxing Huaxin Environmental Protection Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-27
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a steam drum device of a waste heat boiler, which comprises a steam drum and a gas-water separation assembly, wherein a separation cavity is arranged in the steam drum, the gas-water separation assembly is arranged at the top of the separation cavity, the lower half part of the separation cavity is arranged as a water storage area, the steam drum is connected with a water inlet pipe fitting, a descending pipe orifice, a medicine feeding pipe fitting and a sewage discharge pipe fitting, and the water inlet pipe fitting, the descending pipe orifice, the medicine feeding pipe fitting and the sewage discharge pipe fitting are all communicated with the water storage area.

Description

Steam drum device of waste heat boiler

Technical Field

The utility model relates to the technical field of flue gas environment-friendly treatment equipment, in particular to a steam drum device of a waste heat boiler.

Background

The fields such as msw incineration can produce a large amount of high temperature flue gas, high temperature flue gas is the waste gas that needs carry out environmental protection and handles, but it carries a large amount of heats, these heats are the resource that can retrieve and recycle, adopt this kind of equipment of exhaust-heat boiler to retrieve these heats at present often, the steam pocket is the important part on the exhaust-heat boiler, mainly play the gas-water separation, the effect of the recoverable hot steam of recycling of output, the design requirement of steam pocket is safe, reliable, can last long-time work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to meet the requirements of the prior art and provides a steam drum device of a waste heat boiler.

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

the utility model provides a heat recovery boiler's steam pocket device, includes steam pocket drum, gas-water separation subassembly, be equipped with the disengagement chamber in the steam pocket drum, gas-water separation subassembly is installed at the disengagement chamber top, the disengagement chamber the latter half is established to the water storage district, be connected with inlet tube spare, the mouth of pipe that descends, add medicine pipe fitting, blowdown pipe fitting on the steam pocket drum, inlet tube spare, the mouth of pipe that descends, add medicine pipe fitting, blowdown pipe fitting and all communicate the water storage district.

The steam-water separation assembly comprises a hanging frame and a steam-water separator, the hanging frame is fixedly installed on the inner wall of the drum, the steam-water separators are arranged along a straight line and are fixedly installed on the hanging frame, a water drain pipe is connected to the steam-water separator, the outlet end of the water drain pipe faces the water storage area, a plurality of steam output pipe openings are formed in the top of the drum, and the steam output pipe openings are connected with the steam-water separator through pipelines.

And the air hole equalizing plate is arranged on the hanging bracket.

The inlet pipe fitting includes water inlet pipe joint, water inlet main, water inlet pipe joint connects on the drum outer wall, water inlet main sets up at the separation intracavity, water inlet main links to each other with water inlet pipe joint, water inlet main exit end extends to the water storage district.

The dosing pipe fitting comprises a dosing pipe joint and a dosing pipe, the dosing pipe joint is connected to the outer wall of the left side of the steam drum, the dosing pipe is connected with the dosing pipe joint, the dosing pipe extends in the water storage area and is arranged, and a plurality of medicine outlet holes are formed in the dosing pipe.

The blowdown pipe fitting comprises a blowdown pipe joint and a blowdown pipe, the blowdown pipe joint is connected to the outer wall of the left side of the drum, the blowdown pipe is connected with the blowdown pipe joint, and the blowdown pipe extends to the water storage area.

The separation cavity is provided with two symmetrically arranged air blocking frames, and one air blocking frame is provided with a water level controller.

An inspection manhole is formed in the right side end of the drum, a sealing door is installed at the position of the inspection manhole, and the top of the drum is connected with a safety valve pipe orifice.

An underwater filtering grid plate is arranged in the water storage area and is arranged at a position close to the descending pipe orifice.

The utility model has the beneficial effects that: the utility model has reasonable structural design, can meet the requirements of gas-water separation and steam output, can automatically control the water level of the separation cavity, and reduces the scaling probability in the cavity through the structural design of the water channel, so that the equipment can continuously operate for a long time, the maintenance frequency is reduced, and the production efficiency is improved.

Drawings

FIG. 1 is a front view of the present invention;

figure 2 is an end view of the manhole of the present invention;

FIG. 3 is a front view of the internal structure of the present invention;

FIG. 4 is a top view of the internal structure of the present invention;

FIG. 5 is a cross-sectional view of the internal structure of the present invention;

FIG. 6 is a structural view of a medicine feeding tube of the present invention.

In the figure: the device comprises a steam drum 1, a separation cavity 11, a water storage area 12, an air blocking frame 13, a water level controller 14, an inspection manhole 15, a sealing door 16, an air-water separation component 2, a hanging bracket 21, an air equalizing hole plate 211, an air-water separator 22, a water drain pipe 23, a steam output pipe orifice 24, a safety valve pipe orifice 25, a water inlet pipe fitting 3, a water inlet pipe joint 31, a water inlet main pipe 32, a descending pipe orifice 4, a medicine adding pipe fitting 5, a medicine adding pipe joint 51, a medicine adding pipe 52, a medicine outlet hole 521, a sewage discharge pipe fitting 6, a sewage discharge pipe joint 61, a sewage discharge pipe 62 and an underwater filter grid plate 7.

Detailed Description

The present invention will be further described with reference to the following drawings and detailed description, wherein the descriptions of "left", "right", etc. refer to fig. 1 for reference:

as shown in fig. 1 to 6, a drum device of a waste heat boiler comprises a drum 1 and a gas-water separation assembly 2, wherein the drum 1 is hollow and is provided with a separation cavity 11, the waste heat boiler has the function of absorbing heat of flue gas, the heat can evaporate water to form steam, the separation cavity 11 is used for separating gas from water, the gas-water separation assembly 2 is arranged at the top of the separation cavity 11, the steam formed after absorbing waste heat carries a large amount of water, the gas-water separation assembly 2 is used for separating clean steam with low water content and outputting the steam, the steam can be used for other heat-using equipment, the lower half part of the separation cavity 11 is arranged as a water storage area 12, the drum 1 is connected with a water inlet pipe 3, a descending sewage pipe orifice 4, a medicine adding pipe 5 and a pipe fitting 6, the water inlet pipe 3, the descending pipe orifice 4, the medicine adding pipe fitting 5 and the sewage pipe fitting 6 are all communicated with the water storage area 12, the water inlet pipe fitting 3 is used for introducing soft water (the soft water only contains less calcium and magnesium compounds and can reduce the scaling probability of the cylinder in evaporation operation) into the steam drum 1, the descending pipe opening 4 can guide and circulate the water in the water storage area 12 to the heat exchange device, the medicine adding pipe fitting 5 can add auxiliary agents to further reduce the scaling probability of the cylinder, after long-time evaporation heat exchange operation, the water in the cylinder inevitably has the situation of hardness rise, the internal impurities become more, therefore, after the equipment is used for a period of time, the sewage discharging pipe fitting 6 needs to be used for emptying the waste water in the cylinder and replacing new water.

Gas-water separation subassembly 2 includes gallows 21, gas-water separator 22, gallows 21 fixed mounting is on 1 inner wall of drum, a plurality of gas-water separators 22 are arranged and fixed mounting on gallows 21 along a straight line, be connected with wash-out pipe 23 on the gas-water separator 22, wash-out pipe 23 exit end sets up towards water storage district 12, drum 1 top is equipped with a plurality of steam output mouth of pipe 24, steam output mouth of pipe 24 links to each other with gas-water separator 22 pipeline, steam output mouth of pipe 24 is connected with gas-water separator 22 one-to-one, gas-water separator 22 can separate the moisture that carries in the steam, the water of separation passes through wash-out pipe 23 and flows back to water storage district 12, the cleanness of separation, the steam of low water content passes through steam output mouth of pipe 24 and exports.

The hanger 21 is provided with the gas-equalizing hole plate 211, and since the heat exchange operation is continuously performed, the separation chamber 11 is filled with the steam in a saturated state, and in order to protect and fully utilize each gas-water separator 22, the gas-equalizing hole plate 211 is designed so that the steam can form an airflow with uniform distribution and stable flow rate after passing through the gas-equalizing hole plate 211.

Inlet pipe fitting 3 includes inlet connector 31, water inlet main pipe 32, inlet connector 31 connects on 1 outer wall of drum, water inlet main pipe 32 sets up in disengagement chamber 11, water inlet main pipe 32 links to each other with inlet connector 31, water inlet main pipe 32 exit end extends to reservoir area 12, inlet pipe fitting 3 plays the total effect of intaking of operation initial state and the moisturizing effect in the operation (the inevitable loss that can cause water of evaporation, the water level reduces, the condition of burning futilely can appear, damage equipment, consequently need the water supply of stage nature).

The dosing pipe fitting 5 comprises a dosing pipe joint 51 and a dosing pipe 52, the dosing pipe joint 51 is connected to the outer wall of the left side of the steam drum 1, the dosing pipe 52 is connected with the dosing pipe joint 51, the dosing pipe 52 extends in the water storage area 12 and is arranged, although soft water is used as evaporated water in the utility model, scaling in the steam drum is still avoided, after scaling, the operation effect can be influenced, and scale layers are difficult to clean, so that in order to reduce maintenance frequency, the utility model designs the dosing pipe fitting 5, scaling probability is reduced by adding anti-scaling agents, a plurality of dosing holes 521 are formed in the dosing pipe 52, the dosing pipe 52 can cover the whole water storage area 12, and the water at each position of the water storage area 12 can be uniformly subjected to dosing due to the design of the plurality of dosing holes 521.

Blowdown pipe fitting 6 includes blowdown pipe joint 61, blow off pipe 62, and blowdown pipe joint 61 is connected on 1 left side outer wall of drum barrel, and blow off pipe 62 links to each other with blowdown pipe joint 61, and blow off pipe 62 extends to water storage area 12, and blowdown pipe fitting 6 plays waste water discharging's effect, and after the operation of evaporating for a long time, the hardness of the water in the drum barrel 1 can rise, not compound operation demand, at this moment need be through blowdown pipe fitting 6 drainage these waste waters.

Two gas blocking frames 13 which are symmetrically arranged are installed in the separation cavity 11, the gas blocking frames 13 are installed in a bilateral symmetry mode, steam is guided to move upwards, a water level controller 14 is installed on one gas blocking frame 13, water in the steam drum barrel 1 cannot be too much and cannot be too little, gas-water separation can be influenced too much, dry burning can occur too little, therefore, the water level controller 14 is needed to monitor, water is supplemented or drained in real time, a water quality detection device can be installed on the gas blocking frame 13, and the hardness condition of the water is detected in real time.

Inspection manhole 15 has been seted up to 1 right side end of drum, inspection manhole 15 installs sealing door 16 in the position, personnel when inspection manhole 15 is used for overhauing get into the effect, seal through sealing door 16 at ordinary times, 1 top of drum is connected with relief valve mouth of pipe 25, because during the heat transfer operation, steam production volume is saturated state, if surpass the ability of separation output, pressure in the drum 1 can continuously rise, produce the potential safety hazard, just so need carry out the pressure release through relief valve mouth of pipe 25, prevent the fried pot condition.

Install in the water storage district 12 and filter grid tray 7 under water, filter grid tray 7 setting under water and be close to the position of decline mouth of pipe 4, filter the impurity that grid tray 7 can filter aquatic under water, guarantee to go heat transfer device's water from decline mouth of pipe 4 circulation clean (the scale deposit is difficult to more clear up in the heat transfer pipe fitting).

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a heat recovery boiler's steam drum device, includes steam drum boiler section of thick bamboo (1), gas-water separation subassembly (2), its characterized in that: be equipped with separation chamber (11) in drum (1), install at separation chamber (11) top gas-water separation subassembly (2), separation chamber (11) the latter half is established to water storage district (12), be connected with on drum (1) into water pipe fitting (3), decline mouth of pipe (4), add medicine pipe fitting (5), blowdown pipe fitting (6), intake pipe fitting (3), decline mouth of pipe (4), add medicine pipe fitting (5), blowdown pipe fitting (6) all communicate water storage district (12).

2. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: gas-water separation subassembly (2) include gallows (21), gas-water separator (22), gallows (21) fixed mounting is on drum (1) inner wall, and is a plurality of gas-water separator (22) are arranged and fixed mounting on gallows (21) along a straight line, be connected with wash-out pipe (23) on gas-water separator (22), wash-out pipe (23) exit end sets up towards water storage district (12), drum (1) top is equipped with a plurality of steam output mouth of pipe (24), steam output mouth of pipe (24) link to each other with gas-water separator (22) pipeline.

3. The drum device of the exhaust-heat boiler according to claim 2, characterized in that: and the air equalizing hole plate (211) is arranged on the hanging bracket (21).

4. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: intake pipe spare (3) include water inlet pipe connector (31), water inlet manifold (32), water inlet pipe connector (31) are connected on drum (1) outer wall, water inlet manifold (32) set up in separation chamber (11), water inlet manifold (32) link to each other with water inlet pipe connector (31), water inlet manifold (32) exit end extends to water storage district (12).

5. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: add medicine pipe fitting (5) including adding medicine union coupling (51), adding medicine pipe (52), add medicine union coupling (51) and connect on steam drum boiler section of thick bamboo (1) left side outer wall, add medicine pipe (52) and link to each other with adding medicine union coupling (51), add medicine pipe (52) and extend in water storage district (12) and arrange, it goes out medicine hole (521) to be equipped with a plurality of on medicine pipe (52).

6. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: the blowdown pipe fitting (6) include blowdown coupling (61), blow off pipe (62), blowdown coupling (61) are connected on steam drum boiler barrel (1) left side outer wall, blow off pipe (62) link to each other with blowdown coupling (61), blow off pipe (62) extend to water storage district (12).

7. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: two symmetrically arranged gas blocking frames (13) are arranged in the separation cavity (11), and a water level controller (14) is arranged on one gas blocking frame (13).

8. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: an inspection manhole (15) is arranged at the right side end of the steam drum (1), a sealing door (16) is installed at the position of the inspection manhole (15), and the top of the steam drum (1) is connected with a safety valve pipe orifice (25).

9. The drum device of the exhaust-heat boiler according to claim 1, characterized in that: an underwater filtering grid plate (7) is arranged in the water storage area (12), and the underwater filtering grid plate (7) is arranged at a position close to the descending pipe orifice (4).