CN215930659U

CN215930659U - Carbon dioxide energy storage device for storing and collecting high-temperature heat energy of material pipe of kiln tail preheater

Info

Publication number: CN215930659U
Application number: CN202122530659.6U
Authority: CN
Inventors: 刘江; 尚新涛; 祝文标
Original assignee: Jiangxi Yushan Wannianqing Cement Co ltd
Current assignee: Jiangxi Yushan Wannianqing Cement Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-01
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a carbon dioxide energy storage device for storing and collecting high-temperature heat energy of a kiln tail preheater material pipe, which comprises a preheater and an energy storage mechanism, wherein the bottom of the preheater is connected with a kiln tail smoke chamber through a blanking pipe, one side of the bottom of the blanking pipe is provided with a medium inlet pipe, a check valve is arranged on the medium inlet pipe, one side of the top of the blanking pipe is provided with a medium discharge pipe, a temperature sensor and a pressure sensor are arranged, the temperature sensor and the pressure sensor can detect the temperature and the pressure in the device in real time, a display screen is arranged, the display screen can display the data detected by the temperature sensor and the pressure sensor in real time and is convenient for a worker to watch, and an alarm mechanism is arranged to alarm and remind when the temperature and the pressure in the device are too high or too low, so that the potential safety hazard can be effectively reduced, the energy storage is efficient, and the energy storage is convenient to use, The application is safe.

Description

Carbon dioxide energy storage device for storing and collecting high-temperature heat energy of material pipe of kiln tail preheater

Technical Field

The utility model relates to a carbon dioxide energy storage device for storing and collecting high-temperature heat energy of a material pipe of a preheater at the tail of a kiln, and belongs to the technical field of carbon dioxide energy storage devices.

Background

The cement is a high-energy-consumption and high-pollution industry, a clinker production system of a cement plant is actually a high-temperature thermochemical reaction kiln system, the actual energy consumption in clinker production is far higher than the energy consumption required by thermochemical reaction balance, a large amount of waste heat is generated in the cement production process, some high-temperature heat energy in the clinker production objectively causes some adverse effects, and the existing carbon dioxide energy storage device is low in energy storage efficiency and poor in safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical problems of the prior art, provides a carbon dioxide energy storage device for storing high-temperature heat energy of a kiln tail preheater material pipe, which can effectively increase the waste heat generating capacity of a cement plant, has high energy storage efficiency and safe application, can control the flow of supercritical CO2 fluid by arranging a regulating valve, can timely release pressure by arranging a safety valve, can prevent danger caused by overhigh pressure, can detect the temperature and the pressure in the device in real time by arranging a temperature sensor and a pressure sensor, can display the data detected by the temperature sensor and the pressure sensor in real time by arranging a display screen, is convenient for a worker to watch, can alarm and remind when the temperature and the pressure in the device are overhigh or overlow by arranging an alarm mechanism, and can effectively reduce potential safety hazards, the problems in the background art can be effectively solved.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a carbon dioxide energy storage equipment of high temperature heat energy of storage collection kiln tail preheater material pipe, includes preheater and energy storage mechanism, the preheater bottom is connected with kiln tail smoke chamber through unloading union coupling, unloading socle portion one side is equipped with the medium admission pipe, install the check valve on the medium admission pipe, unloading socle portion one side is equipped with the medium discharge pipe, install the governing valve on the medium discharge pipe, medium discharge pipe top is equipped with the pressure release pipe, install the relief valve on the pressure release pipe, the fixed temperature sensor and the pressure sensor that are equipped with in medium discharge pipe inner chamber top, the fixed alarm mechanism that is equipped with of surface before the preheater.

As a further description of the above technical solution, a display screen is fixedly arranged on the front side surface of the alarm mechanism, and the display screen is connected with the temperature sensor and the pressure sensor through wires.

As a further description of the above technical solution, the alarm mechanism includes an outer housing, a single chip microcomputer controller is fixedly disposed in an inner cavity of the outer housing, and an alarm is fixedly disposed on a front side surface of the outer housing.

As a further description of the above technical solution, the blanking pipe is composed of an upper pipe, a lower pipe, and an air-lock flap valve, and the air-lock flap valve is fixedly disposed between the upper pipe and the lower pipe.

As further description of the technical scheme, the energy storage mechanism is a spirally wound tubular hollow tube heat exchanger and is fixedly arranged inside the blanking tube.

As a further description of the above technical solution, the medium inlet pipe is communicated with an inlet of the energy storage mechanism, and the medium outlet pipe is communicated with an outlet of the energy storage mechanism.

The utility model has the beneficial effects that: 1. the flow of the supercritical CO2 fluid can be controlled by arranging the regulating valve, and the pressure can be released in time by arranging the safety valve, so that the danger caused by overhigh pressure can be prevented;

2. through setting up temperature sensor and pressure sensor, temperature sensor and pressure sensor can carry out real-time detection to the temperature and the pressure in the device, and through setting up the display screen, the display screen can show temperature sensor and pressure sensor real-time detection's data, and the staff of being convenient for watches, through setting up alarm mechanism, and alarm mechanism can carry out the police dispatch newspaper when the temperature in the device is too high with pressure or crosses low excessively and remind, can effectively reduce the potential safety hazard.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a structural diagram of a carbon dioxide energy storage device for storing high-temperature heat energy of a preheater material pipe at the tail of a kiln.

FIG. 2 is a front view of the carbon dioxide energy storage device for storing high-temperature heat energy of the material pipe of the preheater at the tail of the kiln.

FIG. 3 is a cross-sectional view of a medium discharge pipe of the carbon dioxide energy storage device for storing high-temperature heat energy of a material pipe of a preheater at the tail of a kiln.

FIG. 4 is a schematic structural diagram of an alarm mechanism of a carbon dioxide energy storage device for storing high-temperature heat energy of a material pipe of a preheater at the tail of a kiln.

Reference numbers in the figures: 1. a preheater; 2. a discharging pipe; 3. a kiln tail smoke chamber; 4. a media inlet tube; 5. a check valve; 6. a medium discharge pipe; 7. adjusting a valve; 8. a pressure relief pipe; 9. a safety valve; 10. a temperature sensor; 11. a pressure sensor; 12. an alarm mechanism; 13. a display screen; 14. an outer housing; 15. a single chip controller; 16. an alarm; 17. an upper pipeline; 18. a lower pipeline; 19. air-locking flap valve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1-4, the present invention provides a technical solution: a carbon dioxide energy storage device for storing and collecting high-temperature heat energy of a kiln tail preheater material pipe comprises a preheater 1 and an energy storage mechanism, wherein the bottom of the preheater 1 is connected with a kiln tail smoke chamber 3 through a blanking pipe 2, one side of the bottom of the blanking pipe 2 is provided with a medium inlet pipe 4, the medium inlet pipe 4 is provided with a check valve 5, one side of the top of the blanking pipe 2 is provided with a medium discharge pipe 6, the medium discharge pipe 6 is provided with an adjusting valve 7, the flow of supercritical CO2 fluid can be controlled through the adjusting valve 7, the top of the medium discharge pipe 6 is provided with a pressure relief pipe 8, the pressure relief pipe 8 is provided with a safety valve 9, the inside of the device can be timely relieved through the safety valve 9, the top of the inner cavity of the medium discharge pipe 6 is fixedly provided with a temperature sensor 10 and a pressure sensor 11, and the temperature sensor 10 and the pressure sensor 11 can detect the temperature and the pressure in the device in real time, an alarm mechanism 12 is fixedly arranged on the front side surface of the preheater 1, and the alarm mechanism 12 can give an alarm when the temperature and the pressure in the device are too high or too low.

Specifically, as shown in fig. 1-3, the feeding pipe 2 is composed of an upper pipe 17, a lower pipe 18, and an air-locking flap valve 19, the air-locking flap valve 19 is fixedly arranged between the upper pipe 17 and the lower pipe 18, the energy storage mechanism is a spirally wound tubular hollow tube heat exchanger, the energy storage mechanism is fixedly installed inside the feeding pipe, the medium inlet pipe 4 is communicated with an inlet of the energy storage mechanism, the medium outlet pipe 6 is communicated with an outlet of the energy storage mechanism, gaseous or liquid CO2 is filled into the energy storage mechanism through the medium inlet pipe 4, the heat exchanger of the energy storage mechanism directly absorbs part of high-temperature heat energy of high-temperature powder flowing in the feeding pipe 2 and the medium inlet pipe 6 of the energy storage mechanism by using CO2 as a working medium, the CO2 absorbs the high-temperature heat energy and then converts the high-energy into high-energy high-density high-pressure thermal state supercritical CO2 fluid, and the supercritical CO2 fluid is discharged through the medium outlet 6 of the energy storage mechanism, the supercritical CO2 power generation system is supplied to generate power.

Specifically, as shown in fig. 4, a display screen 13 is fixedly arranged on the front side surface of the alarm mechanism 12, the display screen 13 is connected with the temperature sensor 10 and the pressure sensor 11 through wires, the display screen 13 can display data detected by the temperature sensor 10 and the pressure sensor 11 in real time, the alarm mechanism 12 comprises an outer shell 14, a single chip microcomputer controller 15 is fixedly arranged in an inner cavity of the outer shell 14, an alarm 16 is fixedly arranged on the front side surface of the outer shell 14, and the single chip microcomputer controller 15 can control the alarm 16 to give an alarm to remind when the temperature and the pressure in the device are too high or too low.

The working principle of the utility model is as follows: gaseous or liquid CO2 is filled into the energy storage mechanism through the medium inlet pipe 4, the heat exchanger of the energy storage mechanism directly absorbs part of high-temperature heat energy of high-temperature powder flowing in the preheater 1 and the blanking pipe 2 by taking CO2 as a working medium, CO2 absorbs the high-temperature heat energy and then converts the high-temperature heat energy into high-energy and high-density high-pressure thermal supercritical CO2 fluid, the supercritical CO2 fluid is discharged through the medium discharge pipe 6 at the outlet of the energy storage mechanism and is supplied to the supercritical CO2 power generation system for power generation, the temperature sensor 10 and the pressure sensor 11 can detect the temperature and the pressure in the device in real time, the display screen 13 can display the data detected by the temperature sensor 10 and the pressure sensor 11 in real time, and the singlechip controller 15 can control the alarm 16 to give an alarm for alarm reminding when the temperature and the pressure in the device are too high or too low.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a carbon dioxide energy storage equipment of collection kiln tail preheater material pipe high temperature heat energy, includes preheater (1) and energy storage mechanism, its characterized in that: the kiln tail smoke chamber (3) is connected with the bottom of the preheater (1) through a discharging pipe (2), a medium inlet pipe (4) is arranged on one side of the bottom of the discharging pipe (2), a check valve (5) is installed on the medium inlet pipe (4), a medium discharging pipe (6) is arranged on one side of the top of the discharging pipe (2), an adjusting valve (7) is installed on the medium discharging pipe (6), a pressure relief pipe (8) is arranged on the top of the medium discharging pipe (6), a safety valve (9) is installed on the pressure relief pipe (8), a temperature sensor (10) and a pressure sensor (11) are fixedly arranged on the top of the inner cavity of the medium discharging pipe (6), and an alarm mechanism (12) is fixedly arranged on the front side surface of the preheater (1).

2. The carbon dioxide energy storage device for storing and collecting high-temperature heat energy of the kiln tail preheater material pipe as claimed in claim 1, is characterized in that: the alarm mechanism (12) front side surface is fixedly provided with a display screen (13), and the display screen (13) is connected with the temperature sensor (10) and the pressure sensor (11) through wires.

3. The carbon dioxide energy storage device for storing and collecting high-temperature heat energy of the kiln tail preheater material pipe as claimed in claim 2, is characterized in that: the alarm mechanism (12) comprises an outer shell (14), a single-chip microcomputer controller (15) is fixedly arranged in the inner cavity of the outer shell (14), and an alarm (16) is fixedly arranged on the front side surface of the outer shell (14).

4. The carbon dioxide energy storage device for storing and collecting high-temperature heat energy of the kiln tail preheater material pipe as claimed in claim 3, is characterized in that: the blanking pipe (2) is composed of an upper pipeline (17), a lower pipeline (18) and an air-locking flap valve (19), and the air-locking flap valve (19) is fixedly arranged between the upper pipeline (17) and the lower pipeline (18).

5. The carbon dioxide energy storage device for storing and collecting high-temperature heat energy of the kiln tail preheater material pipe as claimed in claim 4, is characterized in that: the energy storage mechanism is a spiral wound tube type hollow tube heat exchanger and is fixedly arranged in the blanking tube.

6. The carbon dioxide energy storage device for storing and collecting high-temperature heat energy of the kiln tail preheater material pipe as claimed in claim 5, is characterized in that: the medium inlet pipe (4) is communicated with an inlet of the energy storage mechanism, and the medium outlet pipe (6) is communicated with an outlet of the energy storage mechanism.