CN214701871U

CN214701871U - High-temperature powder heat exchanger

Info

Publication number: CN214701871U
Application number: CN202120941381.9U
Authority: CN
Inventors: 张爱军; 张绍庭; 刘青林; 赵至蓬
Original assignee: Shandong Shunye Pressure Vessel Co ltd
Current assignee: Shandong Shunye Pressure Vessel Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-12
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a high temperature powder heat exchanger belongs to the technical field of heat exchanger, and it includes negative-pressure air fan and filtering component, negative-pressure air fan's import intercommunication has the ash suction pipe, and its export intercommunication has the scum pipe, the ash suction pipe sets up on the pipe of slagging tap, scum pipe and filtering component intercommunication, filtering component is used for filtering the air. When slagging tap, start negative-pressure air fan, the raise dust that negative-pressure air fan produced when will slagging tap is taken out to the filter assembly in, discharges to external world after filter assembly's filtration to reduce the influence of raise dust to staff's health.

Description

High-temperature powder heat exchanger

Technical Field

The application relates to the field of heat exchangers, in particular to a high-temperature powder heat exchanger.

Background

High temperature powder heat exchangers typically employ a roller slag cooler in the industry. The roller slag cooler is an important boiler slag discharging device, has good slag cooling effect and large treatment capacity, and is widely used for discharging slag from boilers of power plants or boilers of industries such as pyrolysis gasification of solid fuels and the like.

Referring to fig. 1, in the related art, a roller slag cooler is disclosed, which includes a frame 100, a roller 110 horizontally rotating on the frame 100, a rotating assembly 120 driving the roller 110 to rotate, and a water cooling assembly 130 cooling the roller 110, wherein a slag inlet pipe 111 is fixed at one end of the frame 100, and the slag inlet pipe 111 is communicated with the inside of the roller 110 and is rotatably connected with the roller 110. A vertical slag tapping pipe 112 is fixed to the other end of the frame 100, and the slag tapping pipe 112 communicates with the inside of the drum 110 and is rotatably coupled with respect to the drum 110. The rotating assembly 120 is disposed on the frame 100, and the water cooling assembly 130 is disposed on the drum 110. During operation, the higher waste residue of temperature in the boiler gets into in the cylinder 110 from advancing slag pipe 111, then starts rotating assembly 120, and rotating assembly 120 driving roll 110 rotates for the waste residue is to slagging tap 112 transmission, starts water cooling module 130 simultaneously, thereby makes to cool down the waste residue, makes exhaust waste residue temperature degradation.

In view of the above-mentioned related art, the inventor believes that dust is generated when the slag pipe 112 discharges the slag again, and thus the health of workers who clean the slag is damaged.

SUMMERY OF THE UTILITY MODEL

In order to reduce the raise dust to the healthy harm of staff, this application provides a high temperature powder heat exchanger.

The application provides a high temperature powder heat exchanger adopts following technical scheme:

the utility model provides a high temperature powder heat exchanger, includes negative-pressure air fan and filtering component, negative-pressure air fan's import intercommunication has the ash suction pipe, and its export intercommunication has the scum pipe, the ash suction pipe sets up on the pipe of slagging tap, scum pipe and filtering component intercommunication, filtering component is used for filtering the air.

Through adopting above-mentioned technical scheme, when slagging tap, start negative-pressure air fan, the raise dust that negative-pressure air fan produced when will slagging tap is taken out to the filter assembly in, arranges to the external world after filter assembly's filtration to reduce the harm of raise dust to staff's health.

Optionally, the ash suction pipe is provided with an air suction cover, the air suction cover is arranged on the slag discharge pipe, a cavity is formed in the air suction cover, the inner wall of the air suction cover is provided with an air inlet, and the inner wall of the air suction cover is fixedly provided with a slag blocking net for blocking larger waste slag from entering the air inlet.

Through adopting above-mentioned technical scheme, the purpose that sets up the cover that induced drafts is, enlarges negative-pressure air fan extraction raise dust's scope on the one hand, and when on the other hand extracted raise dust, the pushing off the slag net can play the effect of blockking to great waste residue in the raise dust to reduce the wearing and tearing that negative-pressure air fan received.

Optionally, a connecting pipe is fixed on the air suction cover, one end of the dust suction pipe is in threaded connection with the inlet of the negative pressure fan, and the other end of the dust suction pipe is in threaded connection with the connecting pipe.

By adopting the technical scheme, the purpose of arranging the dust suction pipe in threaded connection with the negative pressure fan and the air suction cover is to realize detachable connection of the air suction cover and the negative pressure fan, so that the negative pressure fan and the air suction cover can be conveniently assembled, and the negative pressure fan and the air suction cover can be conveniently transported in earlier stages.

Optionally, the suction hood is sleeved on the slag discharging pipe and is mounted on the slag discharging pipe through a bolt.

Through adopting above-mentioned technical scheme, set up the cover that induced drafts and can dismantle the purpose of being connected between the slag pipe, be convenient for change the cover and to the washing of the cover that induced drafts.

Optionally, the filtering component comprises a filtering shell and an activated carbon layer, the activated carbon layer is arranged in the filtering shell, the deslagging pipe is communicated with the inside of the filtering shell, and an air outlet is formed in one end, far away from the deslagging pipe, of the filtering shell.

Through adopting above-mentioned technical scheme, the air that gets into in the filter shell after the absorption of active carbon part, comparatively clean air is discharged from the venthole.

Optionally, the activated carbon part includes a plurality of blocky activated carbons, and a plurality of apertures of the activated carbons become smaller in sequence from being close to the slag discharge pipe to being far away from the slag discharge pipe.

Through adopting above-mentioned technical scheme, the purpose that sets up a plurality of active carbon can adsorb the not granule of equidimension in the air to further improve the adsorption effect to dust in the air.

Optionally, one end of the filter shell, which is far away from the slag discharge pipe, is connected with a filter cover in a threaded manner, and the air outlet is formed in the filter cover.

Through adopting above-mentioned technical scheme, the purpose that sets up the filter lid is convenient for to the change of active carbon.

Optionally, the filter assembly comprises a blocking block, a connecting rod is fixed at one end of the blocking block, one end, far away from the blocking block, of the connecting rod penetrates through the plurality of activated carbons, and a plurality of vent holes are formed in the blocking block.

Through adopting above-mentioned technical scheme, the purpose that sets up the connecting rod is, when changing the active carbon, only need take out the connecting rod in filtering the shell, can take out whole active carbon, and it is more convenient.

Optionally, one end of the slag discharge pipe is in threaded connection with the filter shell, and the other end of the slag discharge pipe is in threaded connection with an outlet of the negative pressure fan.

By adopting the technical scheme. The purpose of detachably connecting the slag discharge pipe and the filter shell with the negative pressure fan is to facilitate the transportation of the ash collecting mechanism in the earlier stage and the assembly between the filter shell and the negative pressure fan in the later stage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the negative pressure fan and the filter assembly aims at starting the negative pressure fan when the slag discharging pipe discharges slag, and the negative pressure fan pumps raised dust generated during slag discharging into the filter assembly and discharges the raised dust to the outside after being filtered by the filter assembly, so that the harm of the raised dust to the health of workers is reduced;

2. the suction hood is arranged for expanding the range of the negative pressure fan for extracting the raised dust on one hand, and the slag blocking net can block larger waste residues in the raised dust when the raised dust is extracted on the other hand, so that the abrasion of the negative pressure fan is reduced;

3. the purpose of setting up a plurality of active carbon is, can adsorb the not granule of equidimension in the air to further improve the adsorption effect to dust in the air.

Drawings

Fig. 1 is a schematic view of the overall structure of a related art roller slag cooler.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a schematic structural view of a connection relationship between the negative pressure fan and the suction hood.

Fig. 4 is an exploded view of the filter assembly.

Description of reference numerals: 100. a frame; 110. a drum; 111. a slag inlet pipe; 112. a slag pipe; 120. a rotating assembly; 130. a water-cooling assembly; 200. a negative pressure fan; 210. a dust suction pipe; 220. an air suction hood; 221. a connecting pipe; 222. an air inlet; 223. a slag blocking net; 230. a slag discharge pipe; 300. a filter assembly; 310. a filter shell; 311. a filter cover; 312. an air outlet; 320. an activated carbon layer; 330. a connecting rod; 331. a blocking block; 332. and (4) a vent hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a high-temperature powder heat exchanger.

Referring to fig. 2, the high-temperature powder heat exchanger includes a negative pressure fan 200 and a filter assembly 300, wherein the negative pressure fan 200 is mounted on the frame 100 by bolts and is used for extracting dust at the position of the slag pipe 112. The filter assembly 300 is disposed on the frame 100 and is in communication with the outlet of the negative pressure fan 200 for filtering the air drawn by the negative pressure fan 200.

Referring to fig. 3, an inlet of the negative pressure fan 200 is connected to an ash suction pipe 210 through a screw thread, one end of the ash suction pipe 210 away from the negative pressure fan 200 is connected to a connection pipe 221 through a screw thread, and an air suction hood 220 is welded to the connection pipe 221. The suction hood 220 is sleeved on the slag outlet pipe 112 and connected with the slag outlet pipe 112 through a bolt.

A cavity is arranged in the air suction cover 220, and the connecting pipe 221 is communicated with the cavity. The inner wall of the air suction cover 220 is provided with a plurality of air inlet holes 222 communicated with the cavity, the inner wall of the air suction cover 220 is welded with a slag blocking net 223, and the slag blocking net 223 is used for blocking larger waste slag from entering the air inlet holes 222, so that the abrasion of the negative pressure fan 200 is reduced.

The outlet of the negative pressure fan 200 is connected with a slag discharge pipe 230 through a thread, and the slag discharge pipe 230 is communicated with the filter assembly 300 (see fig. 1).

Referring to fig. 4, the filter assembly 300 includes a cylindrical filter housing 310, one end of the filter housing 310 is in threaded connection with the slag discharge pipe 230, the other end of the filter housing 310 is in threaded connection with a filter cover 311, and the filter cover 311 is provided with an air outlet 312.

An activated carbon layer 320 is placed in the filtering shell 310, the activated carbon layer 320 comprises three round-handle-shaped activated carbons, the three activated carbons are all abutted against the inner wall of the filtering shell 310, and the aperture of the three activated carbons is sequentially reduced from the position close to the slag discharging pipe 230 to the position far away from the slag discharging pipe 230.

In order to facilitate the three activated carbons to be taken out simultaneously, a blocking block 331 abutted to the inner wall of the filtering shell 310 is placed in the filtering shell 310, connecting rods 330 are welded to two ends of the diameter of the blocking block 331, and the two connecting rods 330 penetrate through the three activated carbons. The blocking block 331 is uniformly provided with vent holes 332.

The implementation principle of the high-temperature powder heat exchanger in the embodiment of the application is as follows: when the roller slag cooler works, the negative pressure fan 200 is started, so that the negative pressure fan 200 pumps dust at the slag discharge pipe 112 into the filter shell 310, and after the dust is adsorbed by the activated carbon layer 320, relatively clean air is discharged from the air outlet 312, and the influence on the health of workers is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high-temperature powder heat exchanger is characterized in that: including negative-pressure air fan (200) and filtering component (300), the import intercommunication of negative-pressure air fan (200) has ash suction pipe (210), and its export intercommunication has scum pipe (230), ash suction pipe (210) set up on slag pipe (112), scum pipe (230) and filtering component (300) intercommunication, filtering component (300) are used for filtering the air.

2. A high temperature powder heat exchanger as recited in claim 1, wherein: inhale and be provided with on ash pipe (210) and induced draft cover (220), induced draft cover (220) set up on slag pipe (112), it has seted up the cavity to inhale in cover (220), inlet port (222) have been seted up to cover (220) inner wall that induced drafts, it is fixed with slag blocking net (223) that blocks great waste residue and get into inlet port (222) to inhale cover (220) inner wall.

3. A high temperature powder heat exchanger as recited in claim 2, wherein: a connecting pipe (221) is fixed on the air suction cover (220), one end of the dust suction pipe (210) is in threaded connection with the inlet of the negative pressure fan (200), and the other end of the dust suction pipe is in threaded connection with the connecting pipe (221).

4. A high temperature powder heat exchanger as recited in claim 2, wherein: the suction hood (220) is sleeved on the slag discharging pipe (112) and is installed on the slag discharging pipe (112) through a bolt.

5. A high temperature powder heat exchanger as recited in claim 1, wherein: the filter assembly (300) comprises a filter shell (310) and an activated carbon layer (320), the activated carbon layer (320) is arranged in the filter shell (310), the deslagging pipe (230) is communicated with the interior of the filter shell (310), and one end, far away from the deslagging pipe (230), of the filter shell (310) is provided with an air outlet (312).

6. A high-temperature powder heat exchanger as recited in claim 5, wherein: the activated carbon layer (320) comprises a plurality of blocky activated carbons, and the aperture of the plurality of activated carbons is gradually reduced from the position close to the slag discharge pipe (230) to the position far away from the slag discharge pipe (230).

7. A high-temperature powder heat exchanger as recited in claim 5, wherein: one end of the filter shell (310) far away from the slag discharge pipe (230) is connected with a filter cover (311) in a threaded mode, and the air outlet (312) is formed in the filter cover (311).

8. A high-temperature powder heat exchanger as recited in claim 6, wherein: the filter assembly (300) comprises a blocking block (331), a connecting rod (330) is fixed at one end of the blocking block (331), one end, far away from the blocking block (331), of the connecting rod (330) penetrates through a plurality of activated carbons, and a plurality of vent holes (332) are formed in the blocking block (331).

9. A high-temperature powder heat exchanger as recited in claim 5, wherein: one end of the slag discharge pipe (230) is in threaded connection with the filter shell (310), and the other end of the slag discharge pipe is in threaded connection with the outlet of the negative pressure fan (200).