CN222012832U - Heat exchange device for coal combustion pollution prevention and treatment - Google Patents
Heat exchange device for coal combustion pollution prevention and treatment Download PDFInfo
- Publication number
- CN222012832U CN222012832U CN202420370568.1U CN202420370568U CN222012832U CN 222012832 U CN222012832 U CN 222012832U CN 202420370568 U CN202420370568 U CN 202420370568U CN 222012832 U CN222012832 U CN 222012832U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- temperature
- medium
- flue gas
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchange device for preventing and treating coal combustion pollution, which relates to the field of coal flue gas treatment, solves the problem of low utilization rate of flue gas heat by the existing single-cavity heat exchange, and adopts the following scheme: the device comprises a high-temperature heat exchange cylinder and a medium-temperature heat exchange cylinder, wherein the right sides of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder are provided with a flue gas inlet pipe and a flue gas discharge pipe, and the left sides of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder are communicated through a valve pipe; the inner side of the high-temperature heat exchange cylinder is fixedly provided with a heat exchange assembly connected with a flue gas inlet pipe; this heat transfer device for coal combustion pollution prevention and cure treatment through the setting of high temperature heat exchange tube and medium temperature heat exchange tube, can carry out the heat transfer to high temperature flue gas via the inboard heat exchange component of high temperature heat exchange tube, and the medium temperature gas after the heat transfer is carried to the medium temperature heat exchange tube inboard and another group heat exchange component carries out subsequent heat transfer for the gas that the flue gas calandria export is through two rounds of heat transfer and be low temperature gas, carries out maximize heat transfer utilization to the heat in the flue gas.
Description
Technical Field
The utility model relates to the technical field of coal flue gas treatment, in particular to a heat exchange device for coal combustion pollution prevention and treatment.
Background
When the coal burns, a large amount of flue gas is generated, and the flue gas can be discharged outwards after being subjected to cooling, dust removal, desulfurization and the like, so that the pollution to the environment is reduced, and in the flue gas treatment process, the flue gas contains higher heat, and the heat energy is generally exchanged and recovered by personnel through wind power or water conservancy;
Through retrieval, in the application book with the patent application number of CN202121180588.5, a heat exchange device for preventing and treating coal combustion pollution is disclosed, the heat exchange device comprises a flue gas sleeve, a heat exchange sleeve, a metal heat exchange plate, an airflow seam, an airflow hole and a direct current fan, wherein the heat exchange sleeve is arranged at the top of the flue gas sleeve, the metal heat exchange plate is arranged between the flue gas sleeve and the heat exchange sleeve in a penetrating way, the metal heat exchange plate is connected with the flue gas sleeve and the heat exchange sleeve and is sealed by welding, the airflow seam is arranged in the metal heat exchange plate, an air inlet interface is arranged at the top of one side of the airflow seam of the metal heat exchange plate, and an exhaust interface is arranged at the bottom of the other side of the airflow seam of the metal heat exchange plate;
The heat exchange between the flue gas and the heat exchange plate is realized through the arrangement of the heat exchange plate, but a group of heat exchange cavities are still adopted for integral heat exchange, and in the actual heat exchange process, the heat exchange efficiency between two groups of hot gas in a medium temperature state is lower after the first part of heat exchange is completed, so that most of the output flue gas is still in the medium temperature state, and the heat exchange efficiency is lower.
Therefore, we propose a heat exchange device for preventing and treating coal combustion pollution.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a heat exchange device for preventing and treating coal combustion pollution, which solves the problem that the utilization rate of the heat of the flue gas is low due to the heat exchange of the existing single cavity.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the heat exchange device for the coal combustion pollution prevention and treatment comprises a high-temperature heat exchange cylinder and a middle-temperature heat exchange cylinder at the top side of the high-temperature heat exchange cylinder, wherein a flue gas inlet pipe and a flue gas discharge pipe are respectively arranged on the right sides of the high-temperature heat exchange cylinder and the middle-temperature heat exchange cylinder, and the high-temperature heat exchange cylinder is communicated with the left side of the middle-temperature heat exchange cylinder through a valve pipe;
the inner side of the high-temperature heat exchange cylinder is fixedly provided with a heat exchange component connected with the flue gas inlet pipe, and the inner side of the medium-temperature heat exchange cylinder is provided with a medium-temperature smoke exhaust cylinder communicated with the valve pipe.
Preferably, the inner sides of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder are respectively provided with heat exchange assemblies which are respectively arranged at the outer sides of the high-temperature smoke discharge cylinder and the medium-temperature smoke discharge cylinder;
The heat exchange assembly is arranged to enable the gas flowing through the middle part and the gas output by the high-temperature smoke exhaust tube and the medium-temperature smoke exhaust tube at the inner side of the heat exchange assembly to exchange heat, so that the heat exchange effect is ensured.
Preferably, the heat exchange assembly is assembled by two groups of gas rings and heat exchange pipes between the gas rings, and the outer walls of the two groups of gas rings are fixedly connected with an exhaust pipe and an air inlet pipe respectively;
the arrangement of the exhaust pipe and the air inlet pipe can transmit a clean air source, so that the clean air source exchanges heat to be high-temperature air.
Preferably, the heat exchange tube is a quarter spiral hollow tube, and is made of copper;
the heat exchange tube is arranged to increase the contact area between heat exchange gases and the heat exchange time to a certain extent, and the heat conduction effect can be guaranteed through the arrangement of copper materials.
Preferably, air holes which are distributed in a filling mode are formed in the outer walls of the high-temperature smoke exhaust tube and the medium-temperature smoke exhaust tube;
The high-temperature smoke exhaust tube and the middle-temperature smoke exhaust tube are provided with air holes, so that the smoke can be radially output, and the smoke can be fully contacted with the heat exchange tube on the heat exchange assembly, and the heat exchange effect is ensured.
Preferably, the outer walls of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder are fixedly provided with temperature monitors for monitoring the temperature of the inner cavity of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder in real time, and the middle part of the valve tube is provided with an electromagnetic air valve;
The temperature of the inner sides of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder can be monitored by the arrangement of the temperature monitor, subsequent heat exchange or smoke output is carried out after the temperature is reduced to a certain temperature, and the automatic heat exchange process of the electromagnetic air valve can be ensured by the arrangement of the electromagnetic air valve.
The utility model provides a heat exchange device for preventing and treating coal combustion pollution. The beneficial effects are as follows:
1. According to the heat exchange device for the coal combustion pollution prevention and treatment, through the arrangement of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder, high-temperature flue gas can be subjected to heat exchange through the heat exchange component at the inner side of the high-temperature heat exchange cylinder, and medium-temperature gas after heat exchange is conveyed to the inner side of the medium-temperature heat exchange cylinder to be subjected to subsequent heat exchange with another group of heat exchange components, so that gas output by the flue gas calandria is subjected to two-wheel heat exchange and is low-temperature gas, the heat in the flue gas is subjected to maximized heat exchange and utilization, and the problem that the heat utilization rate of the flue gas is low due to the existing single-cavity heat exchange is solved;
2. This heat transfer device for coal combustion pollution prevention and cure treatment through the setting of each subassembly on the heat exchange component, can utilize its suit to be in the setting of spiral heat exchange tube simultaneously in high temperature chimney and medium temperature chimney outside, guarantees that two sets of gases are in under longer time and area of contact's the state to guarantee the heat transfer effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the inner side of the present utility model;
FIG. 3 is a schematic view of a smoke exhaust pipe according to the present utility model;
fig. 4 is a schematic structural view of a heat exchange assembly according to the present utility model.
In the figure: 1. a high-temperature heat exchange cylinder; 2. a medium temperature heat exchange cylinder; 3. a valve tube; 4. a temperature monitor; 5. a flue gas inlet pipe; 6. a flue gas duct; 7. a heat exchange assembly; 71. a gas ring; 72. a heat exchange tube; 73. an air inlet pipe; 74. an exhaust pipe; 8. a high temperature smoke exhaust tube; 9. medium temperature smoke exhaust tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the heat exchange device for the coal combustion pollution prevention treatment comprises a high-temperature heat exchange cylinder 1 and a middle-temperature heat exchange cylinder 2 on the top side of the high-temperature heat exchange cylinder, wherein a flue gas inlet pipe 5 and a flue gas discharge pipe 6 are respectively arranged on the right sides of the high-temperature heat exchange cylinder 1 and the middle-temperature heat exchange cylinder 2, and the high-temperature heat exchange cylinder 1 and the left side of the middle-temperature heat exchange cylinder 2 are communicated through a valve pipe 3;
The inner side of the high-temperature heat exchange cylinder 1 is fixedly provided with a heat exchange assembly 7 connected with a flue gas inlet pipe 5, and the inner side of the medium-temperature heat exchange cylinder 2 is provided with a medium-temperature smoke exhaust cylinder 9 communicated with a valve pipe 3;
The outer walls of the high-temperature heat exchange cylinder 1 and the medium-temperature heat exchange cylinder 2 are fixedly provided with temperature monitors 4 for monitoring the temperature of the inner cavity of the high-temperature heat exchange cylinder and the medium-temperature heat exchange cylinder in real time, and the middle part of the valve tube 3 is provided with an electromagnetic air valve;
The temperature monitor 4 is arranged to monitor the temperature of the inner sides of the high-temperature heat exchange cylinder 1 and the medium-temperature heat exchange cylinder 2, and after the temperature is reduced to a certain temperature, the subsequent heat exchange or smoke output is carried out, and the electromagnetic air valve is arranged to ensure the automatic heat exchange process;
According to the heat exchange device for the coal combustion pollution prevention and treatment, through the arrangement of the high-temperature heat exchange cylinder 1 and the medium-temperature heat exchange cylinder 2, high-temperature flue gas can be subjected to heat exchange through the heat exchange component 7 at the inner side of the high-temperature heat exchange cylinder 1, and the medium-temperature gas after heat exchange is conveyed to the inner side of the medium-temperature heat exchange cylinder 2 to be subjected to subsequent heat exchange with the other group of heat exchange components 7, so that gas output by the flue gas exhaust pipes 6 is subjected to two-wheel heat exchange and is low-temperature gas, the heat in the flue gas is subjected to maximized heat exchange and utilization, and the problem that the heat utilization rate of the flue gas is low due to the conventional single-cavity heat exchange is solved;
It should be further noted that the high temperature gas means a gas of 80-100 degrees, and the medium temperature is a gas of 40-60 degrees.
Example 2:
The inner sides of the high-temperature heat exchange cylinder 1 and the medium-temperature heat exchange cylinder 2 are respectively provided with a heat exchange component 7 which is respectively arranged at the outer sides of the high-temperature smoke exhaust cylinder 8 and the medium-temperature smoke exhaust cylinder 9; the heat exchange assembly 7 is arranged to exchange heat between the gas flowing through the middle part and the gas output by the high-temperature smoke exhaust tube 8 and the medium-temperature smoke exhaust tube 9 at the inner side of the gas, so that the heat exchange effect is ensured.
The heat exchange assembly 7 is assembled by two groups of gas rings 71 and heat exchange pipes 72 between the two groups of gas rings 71, and the outer walls of the two groups of gas rings 71 are fixedly connected with an exhaust pipe 73 and an air inlet pipe 74 respectively; the exhaust pipe 73 and the air inlet pipe 74 can be used for conveying a clean air source, so that the clean air source exchanges heat to be high-temperature air.
The heat exchange tube 72 is a quarter spiral hollow tube, and the heat exchange tube 72 is made of copper; the heat exchange tube 72 can be arranged to increase the contact area between heat exchange gases and the heat exchange time to a certain extent, and the heat conduction effect can be ensured by the arrangement of copper materials.
The outer wall of the high-temperature smoke discharging tube 8 and the medium-temperature smoke discharging tube 9 is provided with air holes which are distributed in a filling mode; the high-temperature smoke exhaust tube 8 and the medium-temperature smoke exhaust tube 9 can radially output smoke, so that the smoke is fully contacted with the heat exchange tube 72 on the heat exchange assembly 7, and the heat exchange effect is ensured.
The heat exchange device for the coal combustion pollution control treatment can utilize the arrangement of the spiral heat exchange tubes 72 sleeved outside the high-temperature smoke exhaust tube 8 and the medium-temperature smoke exhaust tube 9 through the arrangement of each component on the heat exchange component 7, and ensure that two groups of gases are in a state of being in a long time and in a state of being in contact with each other, thereby ensuring the heat exchange effect.
The working principle and the using flow of the utility model are as follows: when the device is required to work, high-temperature flue gas is input into the high-temperature heat exchange cylinder 1 through the flue gas inlet pipe 5, and an air source is introduced into the heat exchange assembly 7, so that the high-temperature flue gas at the inner side of the high-temperature flue gas exchanges heat with air in the heat exchange assembly 7, the real-time temperature of the inner side of the high-temperature heat exchange cylinder 1 is monitored through the temperature monitor 4, when the high-temperature flue gas is in a medium-temperature state, the valve pipe 3 is opened to transmit the medium-temperature gas into the medium-temperature heat exchange cylinder 2, the heat exchange assembly 7 at the inner side of the high-temperature flue gas exchanges heat with the medium-temperature gas for the second time, the utilization rate of flue gas heat energy is fully ensured, and finally, when the high-temperature flue gas is in a region below the medium-temperature, the flue gas after heat exchange is output through the flue gas pipe 6, and the heat exchange and the utilization rate of the flue gas heat energy are ensured.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420370568.1U CN222012832U (en) | 2024-02-28 | 2024-02-28 | Heat exchange device for coal combustion pollution prevention and treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420370568.1U CN222012832U (en) | 2024-02-28 | 2024-02-28 | Heat exchange device for coal combustion pollution prevention and treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222012832U true CN222012832U (en) | 2024-11-15 |
Family
ID=93426314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420370568.1U Active CN222012832U (en) | 2024-02-28 | 2024-02-28 | Heat exchange device for coal combustion pollution prevention and treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222012832U (en) |
-
2024
- 2024-02-28 CN CN202420370568.1U patent/CN222012832U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209876891U (en) | Power plant waste heat recovery system | |
| CN222012832U (en) | Heat exchange device for coal combustion pollution prevention and treatment | |
| CN208205865U (en) | A kind of novel high-temperature flue gas waste-heat recovery device | |
| CN207865355U (en) | A kind of thermoelectricity station-service waste-heat recovery device | |
| CN206207449U (en) | A kind of flue gas waste heat recovery system | |
| CN207247242U (en) | A kind of high-efficiency condensation flue gas heat recovery module furnace | |
| CN215260571U (en) | Pulverized coal hot water boiler | |
| CN211146509U (en) | Low-energy-consumption flue gas purification system | |
| CN208124335U (en) | A kind of energy-saving environmental-protection boiler | |
| CN103526003B (en) | Heat-controllable tubular gas heat treatment furnace | |
| CN208187203U (en) | A kind of heat-exchanger rig with honeycomb | |
| CN208011750U (en) | Coal fired boiler of power plant smoke discharging residual heat and moisture reclaiming system | |
| CN108266712B (en) | A multi-circuit heat exchange boiler device | |
| CN109579292B (en) | Boiler water heater with condensing heat exchanger | |
| CN221858563U (en) | A high-efficiency heat transfer hot air stove | |
| CN207907720U (en) | A kind of electric-furnace exhaust heat boiler with Z-type heat exchanger tube | |
| CN223649763U (en) | A high-efficiency and energy-saving waste heat recovery device | |
| CN223484189U (en) | Energy-saving environment-friendly combustion steam generator body | |
| CN223036939U (en) | Flue gas high temperature waste heat utilization equipment | |
| CN222103967U (en) | A high-temperature flue gas waste heat recovery refrigeration system based on brine dual-medium heat storage | |
| CN216790226U (en) | Heat exchange device is in coordination with conduction oil flue gas | |
| CN220287490U (en) | Waste heat recovery device for thermal energy power engineering of power plant | |
| CN219674225U (en) | Solid waste administers and uses incineration device | |
| CN224175665U (en) | Sulfur furnace heat recovery device | |
| CN220707394U (en) | Combustion-supporting device of biomass steam boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |