CN209815210U

CN209815210U - Water-cooling spiral ash remover of dangerous waste heat boiler

Info

Publication number: CN209815210U
Application number: CN201920256402.6U
Authority: CN
Inventors: 王方明; 贺泓铭; 陈垒; 王毅; 郭英; 张茂; 李斌
Original assignee: Chongqing Ccid Thermal Technology Environment-Friendly Engineering Technology Co Ltd
Current assignee: Chongqing Ccid Thermal Technology Environment-Friendly Engineering Technology Co Ltd; Chongqing CISDI Thermal and Environmental Engineering Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-20
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a water-cooling spiral ash remover of a hazardous waste heat boiler, which comprises an ash box, a spiral conveyer, a motor and a speed reducer; the screw conveyer is provided with a plurality of feed inlets and a feed opening, the feed opening is positioned at the discharge end of the screw conveyer and communicated with the ash box, and a screw rod in the screw conveyer is connected with a motor through a speed reducer and is driven by the motor to rotate. The ash remover realizes that a plurality of ash buckets share one ash removing device, and the screw rod with the water cooling function is arranged in the ash remover, so that the ash removing temperature can be reduced while ash removing is carried out, and the waste heat recovery can be realized; the number of auxiliary equipment such as motors and dust boxes is reduced, the occupied area is saved, the energy supply utilization rate is improved, and the method has important significance in saving cost, land and energy.

Description

Water-cooling spiral ash remover of dangerous waste heat boiler

Technical Field

The utility model belongs to exhaust-heat boiler equipment field, concretely relates to useless exhaust-heat boiler's of danger water-cooling spiral ash remover.

Background

At present, ash buckets are generally adopted to collect ash generated by the waste heat boiler, a plurality of ash buckets are arranged on the waste heat boiler according to production conditions, and each ash bucket is correspondingly provided with a spiral ash remover and an ash box. The arrangement mode has the advantages of repeated functions, large occupied area and high investment cost. Therefore, how to realize efficient recovery of ash and reduce cost simultaneously under the existing equipment is a problem to be solved urgently.

Disclosure of Invention

In view of this, the utility model aims at providing a useless exhaust-heat boiler's of danger water-cooling spiral ash remover to solve equipment such as current spiral feeder and ash bin more and the problem of function repetition, reach the purpose that reduces to take up an area of, practice thrift the cost.

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

a water-cooling spiral ash remover of a hazardous waste heat boiler comprises an ash box, a spiral conveyor, a motor and a speed reducer; the screw conveyer is provided with a plurality of feed inlets and a feed opening, the feed opening is positioned at the discharge end of the screw conveyer and communicated with the ash box, and a screw rod in the screw conveyer is connected with a motor through a speed reducer and is driven by the motor to rotate.

Furthermore, a cooling water channel is arranged on the screw rod.

Furthermore, the spiral direction on the screw rod is opposite to two groups of spirals, and the two groups of spirals are oppositely arranged on two sides of the screw rod.

Further, the feed opening is located between two sets of spirals that set up relatively.

The beneficial effects of the utility model reside in that: the ash remover realizes that a plurality of ash buckets share one ash removing device, and the screw rod with the water cooling function is arranged in the ash remover, so that the ash removing temperature can be reduced while ash removing is carried out, and the waste heat recovery can be realized; the number of auxiliary equipment such as motors and dust boxes is reduced, the occupied area is saved, the energy supply utilization rate is improved, and the method has important significance in saving cost, land and energy.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a schematic structural diagram of the present invention (embodiment one);

fig. 2 is a schematic structural diagram of the present invention (embodiment two).

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

A water-cooling spiral ash remover of a hazardous waste heat boiler comprises an ash box 7, a spiral conveyor 5, a motor 3 and a speed reducer 4; the screw conveyer 5 is provided with a plurality of feed inlets 2 and a feed outlet 6, the feed outlet 6 is positioned at the discharge end of the screw conveyer 5 and communicated with an ash box 7, and a screw rod in the screw conveyer 5 is connected with the motor 3 through a speed reducer 4 and is driven by the motor 3 to rotate.

Specifically, a screw conveyer 5 of the screw ash remover is provided with a double feed inlet 2 or a plurality of feed inlets 2, each feed inlet 2 is arranged at the top of the screw conveyer 5, and a feed outlet 6 is arranged at the bottom of the outlet end of the screw conveyer 5; each feeding hole is correspondingly connected with each ash bucket 1, so that a plurality of ash buckets 1 share one set of screw conveyor 5, falling ash is conveyed to a discharging hole 6 through a screw rod in the screw conveyor 5 and enters an ash box 7, and 1 ash box can be configured by one screw ash remover.

As a further improvement of the scheme, a cooling water channel is arranged on a screw of the screw conveyer 5, and cooling water enters a hollow part of the screw, so that cooling of ash falling in the screw conveyer 5 can be realized. The cooling water after cooling the falling ash is returned to the boiler, and the water supplementing temperature of the boiler can be increased.

The ash bin 7 here has two arrangements with respect to the screw conveyor 5:

one is that all the ash hoppers 1 are positioned at the same side of the ash box 7, and the screw is a positive screw (figure 1). The motor 3 is arranged on the side portion of the spiral conveyor 5, the two feeding holes 2 are uniformly arranged on the top of the spiral conveyor 5, the discharging hole 6 is arranged at the discharging end located on the side portion of the spiral conveyor 5, and cooling water enters a cooling water channel on the screw to cool falling ash.

The other is that the two groups of the spiral (blades) on the screw are opposite in rotation direction, and the two groups of the spiral are oppositely arranged on two sides of the screw, namely the spiral on the two sides is a positive spiral and a reverse spiral respectively (figure 2). When the ash buckets 1 are respectively positioned at two sides of the ash box 7, the spiral (blades) at two sides of the screw are respectively a forward spiral and a reverse spiral, so that ash can be conveyed to an end or a middle ash box when the spiral blades rotate. The motor is now still arranged at the side of the screw conveyor 5. In order to reduce the number of ash boxes, the feed opening 6 is located between two sets of oppositely arranged spirals. In this way, the rotating screw can feed ash to the intermediate ash bin 7.

After adopting this ash remover, the ash falls to same screw conveyer 5 in through feed inlet 2 from different ash buckets 1 respectively, is sent to feed opening 6 department by the helical blade rotation on the screw rod gradually again, and the back enters into ash bin 7 through feed opening 6. The cooling water flows through the inside of the screw to cool down the falling ash and returns to the boiler. For better cooling effect, cooling water channels may be provided in the helical blades of the screw.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a useless exhaust-heat boiler's of danger water-cooling spiral ash remover, includes the ash bin, its characterized in that: the device also comprises a screw conveyer, a motor and a speed reducer; the screw conveyer is provided with a plurality of feed inlets and a feed opening, the feed opening is positioned at the discharge end of the screw conveyer and communicated with the ash box, and a screw rod in the screw conveyer is connected with a motor through a speed reducer and is driven by the motor to rotate.

2. The water-cooled spiral ash remover of the hazardous waste heat boiler as claimed in claim 1, characterized in that: the screw is provided with a cooling water channel.

3. The water-cooled spiral ash remover of the hazardous waste heat boiler as claimed in claim 1 or 2, wherein: two groups of the spirals on the screw are opposite in rotation direction, and the two groups of the spirals are oppositely arranged on two sides of the screw.

4. The water-cooled spiral ash remover of the hazardous waste heat boiler as claimed in claim 3, characterized in that: the feed opening is positioned between the two groups of oppositely arranged spirals.