CN210773386U

CN210773386U - Waste heat recovery device of ceramic roller kiln

Info

Publication number: CN210773386U
Application number: CN201921555963.2U
Authority: CN
Inventors: 陆冰
Original assignee: Hubei Bao Jiali Ceramics Co ltd
Current assignee: Hubei Bao Jiali Ceramics Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-16
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a pottery roller kiln waste heat recovery device, including the heat transfer case, heat transfer case bottom be equipped with the intake pipe of being connected with the exhaust pipe of roller kiln, heat transfer case top be equipped with the outlet duct, the inside condenser tube that is equipped with spiral arrangement from bottom to top of heat transfer case, the lower part and the upper portion of heat transfer case are equipped with inlet tube and outlet pipe respectively, the intake pipe in install the installation axle that extends to heat transfer case upper portion through the fretwork support, the installation axle outer wall be equipped with the spiral leaf; the bottom of the heat exchange box is provided with a plurality of electric push rods, and the bottom of each electric push rod is provided with a pulley. The utility model discloses a pottery roller kiln waste heat recovery device can practice thrift the resource with roller kiln tail gas's heat recycle, reaches the purpose of energy-concerving and environment-protective production.

Description

Waste heat recovery device of ceramic roller kiln

Technical Field

The utility model relates to a pottery roller kilns equipment field especially relates to a pottery roller kilns waste heat recovery device.

Background

The roller kiln is also called roller bottom kiln, and is mainly used for producing ceramic building materials such as ceramic tiles and the like. Roller kilns are continuous firing kilns, tunnel kilns with rotating rollers as green body carriers. Ceramic products are placed on a plurality of closely spaced horizontal refractory rollers and are transferred from the head to the tail of the kiln by rotation of the rollers, known as roller kilns. Roller kilns mainly include the kiln body and roll table, in order to facilitate the calcination, adopt the tail gas pipe to draw out the emission with the tail gas that the calcination produced usually, however roller kilns usually have the high temperature of several hundred degrees in the tail gas that the calcination produced, contain a large amount of waste heat, traditional roller kilns are owing to do not have waste heat recovery's device, can only let it directly arrange to the atmosphere in, lead to a large amount of waste heat directly to run off, not only cause the wasting of resources, cause secondary pollution in addition easily. Therefore, research and development of a waste heat recovery device of a ceramic roller kiln are needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provide a pottery roller kiln waste heat recovery device, can practice thrift the resource with the heat recycle of roller kiln tail gas, reach the purpose of energy-concerving and environment-protective production.

The utility model adopts the technical proposal that: a waste heat recovery device of a ceramic roller kiln comprises a heat exchange box, wherein an air inlet pipe connected with a tail gas pipe of the roller kiln is arranged at the bottom of the heat exchange box, an air outlet pipe is arranged at the top of the heat exchange box, a cooling water pipe spirally arranged from bottom to top is arranged in the heat exchange box, a water inlet pipe and a water outlet pipe are respectively arranged at the lower part and the upper part of the heat exchange box, an installation shaft extending to the upper part of the heat exchange box is installed in the air inlet pipe through a hollow support, and spiral blades are arranged on the outer wall of the installation shaft; the bottom of the heat exchange box is provided with a plurality of electric push rods, and the bottom of each electric push rod is provided with a pulley.

As a further improvement, the air outlet pipe is a tapered pipe with a small upper part and a large lower part, and the diameter of the air inlet pipe is larger than the maximum diameter of the air outlet pipe.

Furthermore, a filter screen is arranged at the lower part of the air inlet pipe.

Furthermore, the bottom of the air inlet pipe is also provided with a positioning insertion pipe which can be inserted into the tail gas pipe of the roller kiln, and a positioning step is arranged between the outer wall of the positioning insertion pipe and the outer wall of the air inlet pipe.

Furthermore, a limiting step is further arranged between the inner wall of the positioning insertion pipe and the inner wall of the air inlet pipe.

Furthermore, a brake pad is arranged on the pulley.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses a pottery roller kiln waste heat recovery device through the condenser tube that sets up the spiral arrangement in the heat transfer case, prolongs the contact time of cold water and tail gas to on blowing tail gas through the spiral leaf to condenser tube, utilize the principle heating cooling water of heat exchange, can be with the heat recovery utilization of roller kiln tail gas, practiced thrift the resource, reach the purpose of energy-concerving and environment-protective production.

2. The utility model discloses a setting of electric putter and pulley, portable and raise recovery unit, be convenient for be connected with the tail gas pipe of roller kilns, have the dismouting and maintain convenient characteristics.

3. The utility model discloses a setting of location intubate, location step can realize fixing a position the installation heat transfer case fast, has saved the manpower, has convenient operation's characteristics.

4. The utility model discloses a set up the filter screen in the intake pipe lower part, can carry out the filtering to the foreign particle, prevent to the secondary pollution of air, further ensure environmental protection production.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the intake pipe of the present invention;

fig. 3 is a schematic view of the overlooking structure of the hollow bracket of the present invention.

Wherein: 1-heat exchange box, 2-air inlet pipe, 3-air outlet pipe, 4-cooling water pipe, 5-water inlet pipe, 6-water outlet pipe, 7-hollowed support, 8-mounting shaft, 9-spiral blade, 10-electric push rod, 11-pulley, 12-filter screen, 13-positioning insertion pipe, 14-positioning step and 15-limiting step.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-3, the waste heat recovery device for the ceramic roller kiln of the utility model comprises a heat exchange box 1, an air inlet pipe 2 connected with a tail gas pipe of the roller kiln is arranged at the bottom of the heat exchange box 1, an air outlet pipe 3 is arranged at the top of the heat exchange box 1, a cooling water pipe 4 which is spirally arranged from bottom to top is arranged in the heat exchange box 1 and is used for absorbing heat, a water inlet pipe 5 and a water outlet pipe 6 are respectively arranged at the lower part and the upper part of the heat exchange box 1 and are used for supplying water and draining water for the cooling water pipe 4, an installation shaft 8 extending to the upper part of the heat exchange box 1 is arranged in the air inlet pipe 2 through a hollow bracket 7, the outer edge of the hollow bracket 7 is fixedly connected with the inner wall of the air inlet pipe 2, the installation shaft 8 is fixed at the center of the hollow bracket 7, the installation shaft 8 is fixed, and simultaneously gas can be ensured to enter the heat exchange box 1, the outer wall of the mounting shaft 8 is provided with a spiral blade 9 for guiding the gas to spirally upwards blow towards the cooling water pipe 4; be equipped with a plurality of electric putter 10 in heat transfer case 1 bottom, every electric putter 10's bottom all is equipped with pulley 11, portable and raise recovery unit, is convenient for be connected with the tail gas pipe of roller kilns, has the easy characteristics of dismouting maintenance.

Preferably, its outlet duct 3 is big end down's toper pipe, can increase the time of gas in heat transfer case 1, improves heat exchange efficiency, and the diameter of intake pipe 2 is greater than the maximum diameter of outlet duct 3, increases the tail gas volume that stops in heat transfer case 1, further improves heat exchange efficiency.

Preferably, a filter screen 12 is further arranged at the lower part of the air inlet pipe 2, so that impurity particles can be filtered, secondary pollution to air is prevented, and environment-friendly production is further ensured.

Preferably, the bottom of the air inlet pipe 2 is also provided with a positioning insertion pipe 13 which can be inserted into the tail gas pipe of the roller kiln, a positioning step 14 is arranged between the outer wall of the positioning insertion pipe 13 and the outer wall of the air inlet pipe 2, and the heat exchange box can be quickly positioned and installed through the positioning insertion pipe and the positioning step, so that the labor is saved, and the roller kiln has the characteristics of convenience in operation.

Preferably, a limiting step 15 is further arranged between the inner wall of the positioning insertion tube 13 and the inner wall of the air inlet tube 2, wherein the filter screen 12 is mounted on the limiting step 15, so that the filter screen 12 is convenient to mount.

Preferably, a brake pad is provided on the pulley 11 so that the entire recovery device is fixed at a designated place to prevent a problem of movement during use.

When the waste heat recovery device of the ceramic roller kiln is installed, the heat exchange box 1 is lifted through the electric push rod 10, the air inlet pipe 2 is located above a tail gas pipe of the roller kiln, then the whole device is pushed, the air inlet pipe 2 is moved to be right below the tail gas pipe, the heat exchange box 1 is lowered through the electric push rod 10, at the moment, the air inlet pipe 2 is located and inserted on the tail gas pipe through the locating insertion pipe 13, the locating step 14 is attached to the top surface of the tail gas pipe, the lowering of the electric push rod 10 can be stopped, finally, the brake pad is locked, the recovery device is fixed, and the installation of the recovery device is achieved; when the device is used, tail gas enters the heat exchange box 1 through the air inlet pipe 2, and during the period, the tail gas is directly blown to the cooling water pipe 4 through the spiral blade 9, and the water heating of the cooling water pipe 4 is realized through the heat exchange principle. The utility model discloses a pottery roller kiln waste heat recovery device through the condenser tube that sets up the spiral arrangement in the heat transfer case, prolongs the contact time of cold water and tail gas to on blowing tail gas through the spiral leaf to condenser tube, utilize the principle heating cooling water of heat exchange, can be with the heat recovery utilization of roller kiln tail gas, practiced thrift the resource, reach the purpose of energy-concerving and environment-protective production.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The waste heat recovery device for the ceramic roller kiln is characterized by comprising a heat exchange box (1), wherein an air inlet pipe (2) connected with a tail gas pipe of the roller kiln is arranged at the bottom of the heat exchange box (1), an air outlet pipe (3) is arranged at the top of the heat exchange box (1), a cooling water pipe (4) which is spirally arranged from bottom to top is arranged inside the heat exchange box (1), a water inlet pipe (5) and a water outlet pipe (6) are respectively arranged at the lower part and the upper part of the heat exchange box (1), an installation shaft (8) extending to the upper part of the heat exchange box (1) is installed in the air inlet pipe (2) through a hollow support (7), and spiral blades (9) are arranged on the outer wall of the installation shaft (; the bottom of the heat exchange box (1) is provided with a plurality of electric push rods (10), and the bottom of each electric push rod (10) is provided with a pulley (11).

2. The waste heat recovery device of the ceramic roller kiln according to claim 1, characterized in that the air outlet pipe (3) is a tapered pipe with a small top and a big bottom, and the diameter of the air inlet pipe (2) is larger than the maximum diameter of the air outlet pipe (3).

3. The waste heat recovery device of the ceramic roller kiln according to claim 1, characterized in that a filter screen (12) is arranged at the lower part of the air inlet pipe (2).

4. The waste heat recovery device of the ceramic roller kiln according to claim 1, wherein a positioning insertion tube (13) capable of being inserted into an exhaust tube of the roller kiln is further arranged at the bottom of the air inlet tube (2), and a positioning step (14) is arranged between the outer wall of the positioning insertion tube (13) and the outer wall of the air inlet tube (2).

5. The waste heat recovery device of the ceramic roller kiln according to claim 4, characterized in that a limiting step (15) is further arranged between the inner wall of the positioning insertion tube (13) and the inner wall of the air inlet tube (2).

6. The waste heat recovery device of the ceramic roller kiln according to any one of claims 1 to 5, characterized in that the pulleys (11) are provided with brake pads.