CN218329353U - Dust-containing flue gas treatment device for calcium carbide production - Google Patents

Abstract

The application discloses dirt-containing flue gas processing apparatus is used in carbide production relates to carbide production technical field, a dirt-containing flue gas processing apparatus is used in carbide production, comprising a base plate, turn right by a left side in proper order fixed mounting at the bottom plate top has carbide production main part, heat recovery case and purification main part, carbide production main part is discharged fume the end intercommunication and is had the heat recovery pipe, the output of heat recovery pipe is linked together with the input that purifies the main part, both ends all are provided with a plurality of groups of cleaning member about the heat recovery incasement chamber, heat recovery bottom of tubes portion intercommunication has the dust to collect the piece. Flue gas discharged by the calcium carbide production main body enters the heat recovery pipe, and heat contained in the flue gas is transferred to tap water in the heat recovery tank through the heat recovery pipe. The dust on the side wall of the inner cavity of the heat recovery pipe is scraped by the cleaning piece, and then the dust is sucked into the inner cavity of the bottom plate under the action of the dust collecting piece, so that the influence of the dust on heat transfer is effectively avoided.

Description

A dusty flue gas treatment device for calcium carbide production

technical field

The application relates to the technical field of calcium carbide production, in particular to a dusty flue gas treatment device for calcium carbide production.

Background technique

At present, in the production of calcium carbide furnaces in the chemical industry, the treatment of furnace gas generated during low-load operation and abnormal operation of calcium carbide furnaces has become the most concerned issue of the environmental protection department.

In the process of calcium carbide production, a large amount of smoke and dust will be generated, which contains a large amount of waste heat. The existing dust-containing flue gas treatment device for calcium carbide production is not ideal for the recovery of waste heat. Based on this, the present application designs a dusty flue gas treatment device for calcium carbide production to solve the above-mentioned problems.

Contents of the invention

The purpose of this application is to provide a dust-laden flue gas treatment device for calcium carbide production to solve the above-mentioned problem that the existing dust-laden flue gas treatment device for calcium carbide production has an unsatisfactory recovery effect on waste heat.

In order to achieve the above purpose, the present application provides the following technical solutions: a device for processing dusty flue gas for calcium carbide production, including a bottom plate, and the top of the bottom plate is fixedly installed with calcium carbide production main body, heat recovery box and purification main body in sequence from left to right, The smoke exhaust end of the calcium carbide production body is connected with a heat recovery pipe, and the heat recovery pipe extends into the inner cavity of the heat recovery box, the output end of the heat recovery pipe is connected with the input end of the purification body, and the inside of the heat recovery box Several sets of cleaning parts are arranged at the upper and lower ends of the cavity, and the cleaning ends of the cleaning parts extend into the inner cavity of the heat recovery pipe, the bottom of the heat recovery pipe is connected with a dust collection part, and the output end of the bottom of the dust collection part extends to the inner cavity of the bottom plate middle.

Based on the above technical features, the flue gas discharged from the calcium carbide production body enters the heat recovery pipe, and the heat contained in the flue gas is transferred to the tap water in the heat recovery tank through the heat recovery pipe. After being used for a period of time, the dust entrained in the flue gas will adhere to the side wall of the inner cavity of the heat recovery tube, and the dust on the side wall of the inner cavity of the heat recovery tube will be scraped off by the cleaning element, and then the dust will be removed under the action of the dust collector. , the dust is sucked into the inner cavity of the bottom plate, which effectively avoids the influence of dust on heat transfer.

Preferably, in the dusty flue gas treatment device for calcium carbide production, the cleaning member includes a cleaning motor fixedly installed in the inner cavity of the heat recovery box, the output end of the cleaning motor is connected to a transmission rod, and the transmission rod Several sets of scrapers are arranged in an array at equal intervals on the outer surface.

Based on the above technical features, the cleaning motor drives the transmission rod to rotate, and the transmission rod drives the scraper to rotate, and the scraper scrapes off the dust on the side wall of the inner cavity of the heat recovery tube.

Preferably, in the dust-laden flue gas treatment device for calcium carbide production, the dust collector includes a collection pipe connected to the bottom of the heat recovery pipe, and a collection fan is fixedly installed in the inner cavity of the collection pipe.

Based on the above technical features, under the action of the collecting fan, the dust is sucked into the inner cavity of the bottom plate through the collecting pipe.

Preferably, in the dust-laden flue gas treatment device for calcium carbide production mentioned above, an ash extraction hole is opened on the top side of the bottom plate, and the ash extraction hole extends into the inner cavity of the bottom plate.

Based on the above-mentioned technical features, the dust in the inner cavity of the bottom plate is taken out through the set dust-taking hole.

Preferably, in the dust-laden flue gas treatment device for calcium carbide production, an air outlet is opened on the side wall of the bottom plate, and a dust filter is connected to the air outlet.

Based on the above-mentioned technical features, the air outlet holes are provided to ensure that the inner cavity of the bottom plate has a complete air flow path.

Preferably, in the dust-laden flue gas treatment device for calcium carbide production, a contraction tube is connected between the exhaust end of the calcium carbide production body and the input end of the heat recovery pipe.

Based on the above technical features, the flue gas movement space is reduced by shrinking the tube, and the contact area between the flue gas and the inner cavity of the heat recovery tube is increased.

Preferably, in the dust-laden flue gas treatment device for calcium carbide production, a first water pump is fixedly installed on the top of the bottom plate, and the input end of the first water pump extends into the inner cavity of the heat recovery tank, and the first water pump The output end is connected with the external domestic water pipe.

Based on the above technical features, the heated tap water is pumped out by the first water pump.

Preferably, in the dust-laden flue gas treatment device for calcium carbide production, a second water pump is fixedly installed on the top of the heat recovery box, and the input end of the second water pump is connected to an external water pipe, and the second water pump The output end extends to the inner cavity of the heat recovery tank.

Based on the above technical features, tap water is added to the heat recovery tank through the provided second water pump.

Compared with prior art, the beneficial effect of the present application is:

1. The heat contained in the flue gas is transferred to the tap water in the heat recovery box through the heat recovery pipe, and the heat recovery pipe is meandering in the heat recovery box, which prolongs the time for the flue gas to stay in the heat recovery pipe, making the flue gas The heat in the heat can be better absorbed by the tap water in the heat recovery tank.

2. The cleaning motor drives the transmission rod to rotate, and the transmission rod drives the scraper to rotate. The scraper scrapes off the dust on the side wall of the heat recovery tube, and then under the action of the collection fan, the dust is sucked into the bottom plate through the collection tube In the inner cavity, this action effectively avoids the influence of dust on heat transfer.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of the present application;

Fig. 2 is the enlarged schematic diagram of the structure of part A of Fig. 1 of the present application;

Fig. 3 is a schematic diagram of the structure of the scraper of the present application.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Bottom plate; 2. Main body of calcium carbide production; 3. Heat recovery box; 4. Purification main body; 5. Heat recovery pipe; 6. Cleaning parts; 601. Cleaning motor; 602. Transmission rod; 603. Scraper; Collecting piece; 701, collecting pipe; 702, collecting fan; 8, ash-taking hole; 9, vent hole; 10, shrink tube; 11, first water pump; 12, second water pump.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Please refer to Fig. 1 and Fig. 2, an embodiment of a dust-containing flue gas treatment device for calcium carbide production provided by the present invention: it includes a bottom plate 1, and the top of the bottom plate 1 is fixedly installed with a calcium carbide production body 2 and a heat recovery box 3 in sequence from left to right And the purification main body 4, the smoke exhaust end of the calcium carbide production main body 2 is connected with a heat recovery pipe 5, and the heat recovery pipe 5 extends into the inner cavity of the heat recovery box 3, and the output end of the heat recovery pipe 5 is connected with the input end of the purification main body 4 , the heat contained in the flue gas is transferred to the tap water in the heat recovery box 3 through the heat recovery pipe 5, and the heat recovery pipe 4 winds and circles in the heat recovery box 3, which prolongs the time for the flue gas to stay in the heat recovery pipe 5 time, so that the heat in the flue gas can be better absorbed by the tap water in the heat recovery tank 3.

There is a shrink tube 10 connected between the smoke exhaust end of the calcium carbide production body 2 and the input end of the heat recovery pipe 5 , and the shrink tube 10 reduces the moving space of the flue gas and increases the contact area between the flue gas and the inner cavity of the heat recovery pipe 5 .

Several groups of cleaning parts 6 are arranged at the upper and lower ends of the inner cavity of the heat recovery box 3 , and the cleaning ends of the cleaning parts 6 extend into the inner cavity of the heat recovery pipe 5 . The cleaning part 6 includes a cleaning motor 601 fixedly installed in the inner cavity of the heat recovery box 3 , the output end of the cleaning motor 601 is connected to a transmission rod 602 , and several groups of scrapers 603 are arranged in an array at equal intervals on the outer surface of the transmission rod 602 . The cleaning motor 601 drives the transmission rod 602 to rotate, and the transmission rod 602 drives the scraper 603 to rotate, and the scraper 603 scrapes off the dust on the inner cavity side wall of the heat recovery tube 5 .

The bottom of the heat recovery pipe 5 is communicated with a dust collector 7 , and the bottom output end of the dust collector 7 extends into the inner cavity of the bottom plate 1 . The dust collector 7 includes a collection pipe 701 connected to the bottom of the heat recovery pipe 5 , and a collection fan 702 is fixedly installed in the inner cavity of the collection pipe 701 . Under the action of the collecting fan 702 , the dust is sucked into the inner cavity of the bottom plate 1 through the collecting pipe 701 .

One side of the top of the base plate 1 is provided with an ash extraction hole 8, and the ash extraction hole 8 extends into the inner cavity of the base plate 1, and the dust in the inner cavity of the base plate 1 is taken out through the ash extraction hole 8 provided. An air outlet 9 is provided on the side wall of the base plate 1, and a dust filter is connected to the air outlet 9, and the air outlet 9 is provided to ensure that the inner cavity of the base plate 1 has a complete air flow path.

The first water pump 11 is fixedly installed on the top of the base plate 1, the input end of the first water pump 11 extends into the inner cavity of the heat recovery tank 3, the output end of the first water pump 11 is connected with the external domestic water pipe, and the heat is heated by the first water pump 11. After the tap water is drawn out. The top of the heat recovery tank 3 is fixedly installed with a second water pump 12, the input end of the second water pump 12 is connected with the external tap water pipe, and the output end of the second water pump 12 extends into the inner cavity of the heat recovery tank 3, through which the second water pump 12 Add tap water in the heat recovery tank 3.

Please refer to FIG. 3 , the scrapers 603 are arranged in an array at equal intervals on the transmission rod 602 , so as to ensure the cleaning effect of the scrapers 603 .

The specific working principle is as follows: add tap water to the heat recovery tank 3 through the second water pump 12 provided, then start the calcium carbide production main body 2, and the flue gas discharged from the calcium carbide production main body 2 enters the heat recovery pipe 5, and the heat contained in the flue gas The tap water in the heat recovery box 3 is passed through the heat recovery pipe 5, and the heat recovery pipe 5 is meandering in the heat recovery box 3, which prolongs the time for the flue gas to stay in the heat recovery pipe 5, so that the The heat can be better absorbed by the tap water in the heat recovery tank 3 , and finally the heated tap water is drawn out by the first water pump 11 . After being used for a period of time, the dust contained in the flue gas will adhere to the side wall of the inner cavity of the heat recovery pipe 5, and the cleaning motor 601 drives the transmission rod 602 to rotate, and the transmission rod 602 drives the scraper 603 to rotate, and the scraper 603 scrapes off the dust on the side wall of the inner chamber of the heat recovery pipe 3, and then under the action of the collecting fan 702, the dust is sucked into the inner chamber of the bottom plate 1 through the collecting pipe 701, which effectively avoids the effect of the dust on the heat transfer. Influence.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of the present invention. In at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details nor limit the invention to specific implementations. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a carbide production is with dirt flue gas processing apparatus, includes bottom plate (1), its characterized in that: bottom plate (1) top is turned right by a left side and is fixed mounting in proper order has carbide production main part (2), heat recovery case (3) and purifies main part (4), carbide production main part (2) discharge fume end intercommunication has heat recovery pipe (5), and heat recovery pipe (5) extend to in heat recovery case (3) inner chamber, the output of heat recovery pipe (5) is linked together with the input that purifies main part (4), both ends all are provided with a plurality of groups cleaning member (6) about heat recovery case (3) inner chamber, and the cleaning end of cleaning member (6) extends to in heat recovery pipe (5) inner chamber, heat recovery pipe (5) bottom intercommunication has dust collection piece (7), and dust collection piece (7) bottom output extends to in bottom plate (1) inner chamber.

2. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, characterized in that: cleaning member (6) are including cleaning motor (601) of fixed mounting in heat recovery case (3) inner chamber, cleaning motor (601) output is connected with transfer line (602), a plurality of groups scraper blade (603) have been arranged on transfer line (602) outside surface equidistant array.

3. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, wherein: dust collection piece (7) are including collecting pipe (701) that are linked together with heat recovery pipe (5) bottom, fixed mounting has collection fan (702) in collecting pipe (701) inner chamber.

4. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, wherein: one side of the top of the bottom plate (1) is provided with a dust taking hole (8), and the dust taking hole (8) extends into the inner cavity of the bottom plate (1).

5. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, characterized in that: the side wall of the bottom plate (1) is provided with air outlet holes (9), and the air outlet holes (9) are connected with dust filter screens.

6. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, wherein: and a contraction pipe (10) is communicated between the smoke exhaust end of the calcium carbide production main body (2) and the input end of the heat recovery pipe (5).

7. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, wherein: the heat recovery device is characterized in that a first water pump (11) is fixedly mounted at the top of the bottom plate (1), the input end of the first water pump (11) extends into the inner cavity of the heat recovery tank (3), and the output end of the first water pump (11) is communicated with an external domestic water pipe.

8. The dust-containing flue gas treatment device for calcium carbide production according to claim 1, characterized in that: the top of the heat recovery tank (3) is fixedly provided with a second water pump (12), the input end of the second water pump (12) is communicated with an external tap water pipe, and the output end of the second water pump (12) extends into the inner cavity of the heat recovery tank (3).

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