CN218380529U

CN218380529U - Molecular sieve drying roasting energy-saving equipment

Info

Publication number: CN218380529U
Application number: CN202222741000.XU
Authority: CN
Inventors: 杨健; 刘山领; 王洪路; 张永践; 丁鹏飞
Original assignee: Jiangsu Jie Ou Kang Technology Co ltd
Current assignee: Jiangsu Jie Ou Kang Technology Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-24
Anticipated expiration: 2032-10-18

Abstract

A molecular sieve drying and roasting energy-saving device comprises a dryer, a roasting furnace and a hot blast stove, wherein a feed inlet of the dryer is communicated with a molecular sieve conveying pipeline, a feed inlet of the roasting furnace is communicated with a discharge outlet of the dryer through a molecular sieve conveying pipeline, a discharge outlet of the roasting furnace is communicated with a molecular sieve discharge pipeline, an air inlet of the dryer is communicated with an air outlet of the hot blast stove through a hot air inlet pipeline, and an air outlet of the dryer is communicated with a moisture exhaust tail gas main pipe; the roasting furnace is communicated with a first natural gas conveying pipeline and a first air conveying pipeline, the hot blast stove is also communicated with a second natural gas conveying pipeline and a second air conveying pipeline, and an exhaust port of the roasting furnace is communicated with the hot blast stove through a roasting exhaust pipeline. The method is energy-saving and environment-friendly, can comprehensively utilize energy of drying and roasting to reduce energy consumption, and is beneficial to reducing production cost, so that the molecular sieve product can run economically under the requirement of safety, energy conservation and quality guarantee.

Description

Molecular sieve drying and roasting energy-saving equipment

Technical Field

The utility model relates to a molecular sieve production technical field, especially a molecular sieve drying roasting energy-saving equipment.

Background

At present, current molecular sieve production dry roasting generally all is independent control, back in the molecular sieve material input desiccator, come from the heat energy that the hot-blast furnace generated in the desiccator and carry out drying process to the molecular sieve, after moisture content reaches the certain degree in the molecular sieve material, carry the molecular sieve material again and get into the burning furnace of roasting and roast activation, the heat energy of burning furnace of roasting derives from the burning of natural gas, however, generally all can will bake burning furnace burning tail gas directly to discharge into the atmosphere, thereby can cause scattering and disappearing of a large amount of heats, high energy consumption, neither energy saving and environmental protection, be unfavorable for molecular sieve manufacturing cost's reduction again.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide an energy-concerving and environment-protective, can help reduction in production cost's molecular sieve drying roasting energy-saving equipment with the energy comprehensive utilization of drying roasting in order to reduce the energy consumption.

The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a molecular sieve drying and roasting energy-saving device, which comprises a dryer, a roasting furnace and a hot-blast stove, wherein a feed inlet of the dryer is communicated with a molecular sieve conveying pipeline, a feed inlet of the roasting furnace is communicated with a discharge outlet of the dryer through a molecular sieve feeding pipeline, a discharge outlet of the roasting furnace is communicated with a molecular sieve discharge pipeline, an air inlet of the dryer is communicated with an air outlet of the hot-blast stove through a hot-blast air inlet pipeline, and an air outlet of the dryer is communicated with a moisture-discharging tail gas main pipe; the roasting furnace is communicated with a first natural gas conveying pipeline and a first air conveying pipeline, the hot blast stove is also communicated with a second natural gas conveying pipeline and a second air conveying pipeline, and an exhaust port of the roasting furnace is communicated with the hot blast stove through a roasting exhaust pipeline.

The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above the dry calcination energy-saving equipment of molecular sieve, install first temperature controller on roasting furnace, install first natural gas control flap on first natural gas pipeline, install first air control flap on first air pipeline, first natural gas control flap, first air control flap and first temperature controller linkage set up.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the dry calcination economizer of molecular sieve, install smoke exhaust fan on calcination exhaust duct.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the dry calcination economizer of molecular sieve, still install the cooler in smoke exhaust fan's machine seals department.

The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above the dry calcination economizer of molecular sieve, install the second temperature controller at calcination exhaust duct, still be provided with the air cooling mouth of taking the air valve on the calcination exhaust duct of smoke exhaust fan entrance side, the air valve sets up with the linkage of second temperature controller.

The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above the dry calcination economizer of molecular sieve, install the third temperature controller on hot-blast intake stack, install second natural gas control flap on second natural gas conveying pipeline, install second air control flap on second air conveying pipeline, second natural gas control flap, second air control flap and third temperature controller linkage set up.

The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above the dry calcination economizer of molecular sieve, still install the fourth temperature controller on the exhaust gas house steward of hydrofuging.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above the dry calcination energy-saving equipment of molecular sieve, the desiccator is the belt desiccator.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the method, the burning tail gas of the roasting furnace is conveyed into the hot blast furnace, so that the roasted waste heat is conveyed to the hot blast furnace to be reheated by the hot blast furnace and then conveyed to the dryer, the heat in the roasting furnace is conveniently recycled, the use of natural gas is reduced, the energy consumption is reduced, and the production cost of the molecular sieve is favorably reduced;

2. the air cooling port is further arranged at the inlet of the smoke exhaust fan, so that the temperature of the inlet of the smoke exhaust fan is conveniently controlled by adjusting the opening of the air valve, the smoke exhaust fan is kept to operate at a proper temperature, and the smoke exhaust fan is prevented from being damaged due to overhigh temperature;

3. this application still is provided with first temperature controller, second temperature controller, third temperature controller and fourth temperature controller, is convenient for adjust the tail gas temperature of input hot-blast furnace, the proportion of natural gas, the combustion-supporting amount of wind to and the proportion of the natural gas of input roasting furnace, the combustion-supporting amount of wind, be convenient for control whole molecular sieve drying roasting energy-saving equipment safety, energy-conservation, economic operation, guarantee the product quality of molecular sieve simultaneously.

Drawings

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

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, the energy-saving equipment for drying and roasting molecular sieves comprises a dryer 1, a roasting furnace 2 and a hot blast stove 3, wherein the dryer 1 is used for drying the molecular sieves and reducing the moisture content in the molecular sieves so that the moisture content of the molecular sieves is lower than a certain value. Preferably, the dryer 1 is a belt dryer 1; the roasting furnace 2 can receive the molecular sieve dried by the dryer 1 and is used for roasting and activating the dried molecular sieve; the hot blast stove 3 is used for improving heat energy for the dryer 1 so as to facilitate the drying treatment of the dryer 1 on the molecular sieve;

specifically, a feed inlet of the dryer 1 is communicated with a molecular sieve conveying pipeline 4, the molecular sieve conveying pipeline 4 is externally connected with a molecular sieve storage bin, the molecular sieve is conveniently conveyed into the dryer 1, a feed inlet of the roasting furnace 2 is communicated with a discharge outlet of the dryer 1 through a molecular sieve feeding pipeline 5, the molecular sieve dried in the dryer 1 is conveniently input into the roasting furnace 2 through the molecular sieve feeding pipeline 5, a discharge outlet of the roasting furnace 2 is communicated with a molecular sieve discharge pipeline 6, the roasted and activated molecular sieve is conveniently output outwards, an air inlet of the dryer 1 is communicated with an air outlet of the hot blast furnace 3 through a hot air inlet pipeline 7, heat energy generated by the hot blast furnace 3 is conveniently input into the dryer 1, and an air outlet of the dryer 1 is communicated with a moisture exhaust tail gas main pipe 8; a first natural gas conveying pipeline 13 and a first air conveying pipeline 14 are communicated with the roasting furnace 2 and used for inputting natural gas and air into the roasting furnace 2, and a second natural gas conveying pipeline 18 and a second air conveying pipeline 19 are communicated with the hot blast furnace 3 and used for inputting natural gas and air into the hot blast furnace 3;

the exhaust port of the roasting furnace 2 is communicated with the hot blast stove 3 through a roasting exhaust pipeline 9, so that the roasted waste heat is conveyed to the hot blast stove 3 and is reheated by the hot blast stove 3, and then the heat energy is conveyed to the dryer 1, so that the heat in the roasting furnace 2 can be recycled, the use of natural gas is reduced, the energy consumption is reduced, and the production cost of the molecular sieve is reduced;

in order to realize the temperature control of the roasting furnace 2, a first temperature controller 15 is installed on the roasting furnace 2, a first natural gas control valve 16 is installed on a first natural gas conveying pipeline 13, a first air control valve 17 is installed on a first air conveying pipeline 14, and the first natural gas control valve 16, the first air control valve 17 and the first temperature controller 15 are arranged in a linkage manner, so that the ratio of natural gas input into the roasting furnace 2 and combustion-supporting air volume is controlled through the opening degrees of the first natural gas control valve 16 and the first air control valve 17, the temperature in the roasting furnace 2 is controlled, and the roasting activation treatment of the molecular sieve is better realized;

a smoke exhaust fan 11 is installed on the roasting exhaust pipeline 9 for ensuring that the tail gas of the roasting furnace 2 can be smoothly conveyed into the hot blast furnace 3, but the tail gas of the roasting furnace 2 has high temperature, which easily causes the damage or the service life reduction of the smoke exhaust fan 11, so that a second temperature controller 10 is installed on the roasting exhaust pipeline 9, an air cooling port with an air valve 12 is also arranged on the roasting exhaust pipeline 9 at the inlet side of the smoke exhaust fan 11, the air valve 12 is linked with the second temperature controller 10, and the air valve 12 is used for controlling the size of the air cooling port so as to control the input quantity of air, so that the inlet temperature of the smoke exhaust fan 11 is controlled by adjusting the opening degree of the air valve 12 to keep the smoke exhaust fan 11 running at a proper temperature;

in order to further prevent the smoke exhaust fan 11 from being damaged due to overhigh temperature, a cooler can be further installed at the machine seal position of the smoke exhaust fan 11, and the cooler adopts a cooling water cooler, so that cooling water can be conveniently introduced to carry out necessary cooling on the smoke exhaust fan 11 according to the requirement;

in order to realize the temperature control of the hot blast stove 3, a third temperature controller 20 is installed on the hot blast air inlet pipeline 7, a second natural gas control valve 21 is installed on the second natural gas conveying pipeline 18, a second air control valve 22 is installed on the second air conveying pipeline 19, and the second natural gas control valve 21, the second air control valve 22 and the third temperature controller 20 are arranged in a linkage manner, so that the ratio of natural gas input into the hot blast stove 3 and combustion-supporting air quantity can be conveniently controlled through the opening degrees of the second natural gas control valve 21 and the second air control valve 22, and the temperature in the hot blast stove 3 can be controlled;

in order to realize energy-saving control of the whole equipment, a fourth temperature controller is further installed on the moisture exhaust tail gas main pipe 8 and used for monitoring the heat energy utilization condition of the drying machine 1, if the temperature is too high, the heat energy utilization rate is low, the opening degree of each valve needs to be adjusted, so that the natural gas is saved, and the energy consumption is further reduced.

Claims

1. The utility model provides a molecular sieve drying roasting energy-saving equipment which characterized in that: the drying machine comprises a drying machine, a roasting furnace and a hot blast stove, wherein a feed inlet of the drying machine is communicated with a molecular sieve conveying pipeline, a feed inlet of the roasting furnace is communicated with a discharge outlet of the drying machine through a molecular sieve feeding pipeline, a discharge outlet of the roasting furnace is communicated with a molecular sieve discharge pipeline, an air inlet of the drying machine is communicated with an air outlet of the hot blast stove through a hot blast air inlet pipeline, and an air outlet of the drying machine is communicated with a moisture exhaust tail gas main pipe; the roasting furnace is communicated with a first natural gas conveying pipeline and a first air conveying pipeline, the hot blast stove is also communicated with a second natural gas conveying pipeline and a second air conveying pipeline, and an air outlet of the roasting furnace is communicated with the hot blast stove through a roasting exhaust pipeline.

2. The molecular sieve drying and roasting energy-saving equipment of claim 1, characterized in that: the roasting furnace is provided with a first temperature controller, the first natural gas conveying pipeline is provided with a first natural gas control valve, the first air conveying pipeline is provided with a first air control valve, and the first natural gas control valve, the first air control valve and the first temperature controller are arranged in a linkage mode.

3. The molecular sieve drying and roasting energy-saving equipment of claim 1, characterized in that: and a smoke exhaust fan is arranged on the roasting exhaust pipeline.

4. The molecular sieve drying and roasting energy-saving equipment of claim 3, characterized in that: and a cooler is also arranged at the machine seal position of the smoke exhaust fan.

5. The molecular sieve drying and roasting energy-saving equipment of claim 1 or 3, characterized in that: the roasting exhaust pipeline is provided with a second temperature controller, and an air cooling port with an air valve is also arranged on the roasting exhaust pipeline on the inlet side of the smoke exhaust fan, and the air valve is linked with the second temperature controller.

6. The molecular sieve drying and roasting energy-saving equipment of claim 1, characterized in that: and a third temperature controller is installed on the hot air inlet pipeline, a second natural gas control valve is installed on a second natural gas conveying pipeline, a second air control valve is installed on a second air conveying pipeline, and the second natural gas control valve, the second air control valve and the third temperature controller are arranged in a linkage manner.

7. The molecular sieve drying and roasting energy-saving equipment of claim 1, characterized in that: and a fourth temperature controller is also arranged on the moisture exhaust tail gas main pipe.

8. The molecular sieve drying and roasting energy-saving equipment of claim 1, characterized in that: the dryer is a belt dryer.