Hot waste gas complementary energy recovery device of glass bead forming furnace

Abstract

The utility model discloses a hot waste gas complementary energy recovery device of a glass bead forming furnace, which comprises a bottom plate, a purification component is arranged on the right side of the top of the bottom plate, and a waste heat recovery mechanism is arranged on the top of the bottom plate. According to the hot waste gas complementary energy recovery device of the glass bead forming furnace, the waste heat recovery mechanism is arranged, a threaded heat exchange pipe in the recovery assembly is used for conveying hot waste gas, in the flowing process of the hot waste gas, heat exchange is conducted between water with the large specific heat capacity and the hot waste gas, and therefore the hot waste gas of the glass bead forming furnace is fully utilized; according to the waste heat recycling device, waste energy is recycled, hot waste gas is filtered and subjected to activated carbon adsorption treatment through the arranged pretreatment assembly, particulate matter or dust in the hot waste gas can be filtered, the particulate matter or dust is prevented from blocking a heat exchange pipe, and harmful gas in the hot waste gas is removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass bead production equipment technical field, concretely is a kind of glass bead bead furnace's hot waste gas residual energy recovery device. BACKGROUND

[0002] Reference patent name is: a kind of for glass bead production's bead furnace (patent publication number: CN217868616U, patent publication date: November 22, 2022), including heat preservation box, longitudinal setting bead forming material cylinder and bead forming material cylinder are installed in the inner chamber of heat preservation box, first combustor, fine powder conveying pipe and flame injection device are installed on the barrel wall of bead forming material cylinder from top to bottom distribution, flame injection device is upwards injected flame, fine powder conveying pipe is injected glass bead powder towards horizontal direction;Second combustor and feed pipe are installed on the barrel wall of bead forming material cylinder from top to bottom distribution, material collecting box is installed on the top of heat preservation box, and the material collecting box is provided with air vent, first discharge port and second discharge port are installed on the top of bead forming material cylinder and bead forming material cylinder respectively;First air distribution net and second air distribution net are installed in the inner chamber of bead forming material cylinder and bead forming material cylinder lower part respectively;Further including fan, the device can also carry out bead forming operation to the superfine powder not meeting the requirements while realizing conventional bead forming operation, improve work efficiency while reducing production cost.

[0003] Based on the above document: glass bead contains a lot of residual heat in waste gas of gas combustion in the process of bead forming, traditional way is not added to utilize direct discharge to cause energy loss, at the same time, the waste gas generated can contain dust, sulfur oxide and nitrogen oxide pollutants, direct discharge will also pollute air, therefore, the utility model provides a kind of glass bead bead furnace's hot waste gas residual energy recovery device. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of glass bead bead furnace's hot waste gas residual energy recovery device, solves the problem that glass bead contains a lot of residual heat in waste gas of gas combustion in the process of bead forming, traditional way is not added to utilize direct discharge to cause energy loss, at the same time, the waste gas generated can contain dust, sulfur oxide and nitrogen oxide pollutants, direct discharge will also pollute air.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of glass bead bead furnace's hot waste gas residual energy recovery device, including bottom plate, the right side of the top of bottom plate is equipped with purification assembly, the top of bottom plate is equipped with residual heat recovery mechanism, the residual heat recovery mechanism includes:

[0006] The recovery assembly comprises a heat exchange bin installed at the center of the top of the bottom plate, a ventilation pipe is fixedly connected to the left side of the heat exchange bin, a heat exchange pipe is fixedly connected to one end of the ventilation pipe, one end of the heat exchange pipe extends to the outside of the heat exchange bin, a driving motor is fixedly connected to the right side of the heat exchange bin, a mixing rod is fixedly connected to one end of the output shaft of the driving motor through a shaft coupling, and a plurality of groups of mixing leaves are fixedly connected to the surface of the mixing rod.

[0007] The pretreatment assembly is arranged at the left side of the top of the bottom plate.

[0008] Preferably, the pretreatment assembly comprises a pretreatment box installed at the left side of the top of the bottom plate, an air induction fan is fixedly connected to the top of the pretreatment box, the top of the air induction fan is fixedly connected to the other end of the ventilation pipe through a connecting pipe, a waste gas inlet pipe is installed below the left side of the pretreatment box, a filter screen plate is installed in the pretreatment box, and an activated carbon adsorption layer is installed above the filter screen plate in the pretreatment box.

[0009] Preferably, the top of the heat exchange bin is fixedly connected with a water inlet pipe, and the bottom of the heat exchange bin is fixedly connected with a water outlet pipe.

[0010] Preferably, the purification assembly comprises a purification bin installed at the right side of the top of the bottom plate, a liquid pumping pump is fixedly connected to the top of the purification bin, the bottom of the liquid pumping pump is fixedly connected with a spraying pipe, the bottom of the spraying pipe is fixedly connected with a plurality of groups of spray heads, a filler support plate is fixedly connected to the inner wall of the purification bin, and a filler layer is arranged above the filler support plate.

[0011] Preferably, the top of the right side of the purification bin is fixedly connected with an exhaust pipe, and the bottom of the right side of the purification bin is fixedly connected with a drain pipe.

[0012] Preferably, the heat exchange pipe is horizontally placed in a threaded shape, and one end of the heat exchange pipe is fixedly communicated with the surface of the purification bin.

[0013] Advantages

[0014] The glass microbead forming furnace heat waste gas energy recovery device has the following advantages compared with the prior art:

[0015] (1), the glass bead bead furnace waste heat recovery device, by setting up the waste heat recovery mechanism, using the threaded heat exchange pipe in the recycling assembly for the delivery of hot exhaust gas, and in the process of hot exhaust gas flow, by specific heat capacity of water and hot exhaust gas heat exchange, so as to make full use of the glass bead bead furnace waste heat, the recycling of energy, and by setting up the pretreatment assembly for filtering and activated carbon adsorption treatment of hot exhaust gas, can filter the particulate matter or dust in the hot exhaust gas, avoid the particulate matter or dust block the heat exchange pipe, and remove the harmful gas in the hot exhaust gas.

[0016] (2), the glass bead bead furnace waste heat recovery device, by setting up the purification assembly, using specific chemical absorbent and waste gas pollution chemical reaction, so as to remove the pollutants, make the exhaust emission more safe, avoid the influence on the surrounding environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the external structure of the utility model three-dimensional schematic view;

[0018] Figure 2 is the pretreatment assembly of the utility model three-dimensional schematic view;

[0019] Figure 3 is the internal structure of the heat exchange bin of the utility model schematic view;

[0020] Figure 4 is the internal structure of the purification bin of the utility model schematic view.

[0021] In the drawing: 1 - bottom plate, 2 - purification assembly, 21 - purification bin, 22 - liquid pump, 23 - spray pipe, 24 - filler support plate, 25 - filler layer, 3 - waste heat recovery mechanism, 31 - recycling assembly, 311 - heat exchange bin, 312 - air pipe, 313 - heat exchange pipe, 314 - drive motor, 315 - mixing rod, 316 - mixing blade, 32 - pretreatment assembly, 321 - pretreatment box, 322 - air blower, 323 - exhaust gas inlet pipe, 324 - filter screen, 325 - activated carbon adsorption layer, 4 - water inlet pipe, 5 - water outlet pipe, 6 - exhaust pipe, 7 - drain pipe. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer toFigures 1-4 The utility model provides a technical scheme:

[0024] A kind of glass bead bead furnace's heat waste gas energy recovery device, including bottom plate 1, the right side of the top of bottom plate 1 is equipped with purification assembly 2, the top of bottom plate 1 is equipped with waste heat recovery mechanism 3, including in waste heat recovery mechanism 3:

[0025] Recovery assembly 31, including the heat exchange bin 311 of being installed at the top center of bottom plate 1, the left side of heat exchange bin 311 is fixedly connected with air pipe 312, one end of air pipe 312 is fixedly connected with heat exchange pipe 313, one end of heat exchange pipe 313 extends to the outside of heat exchange bin 311, the right side of heat exchange bin 311 is fixedly connected with drive motor 314, one end of the output shaft of drive motor 314 is fixedly connected with mixing rod 315 by coupling, the surface of mixing rod 315 is fixedly connected with multiple groups of mixing blade 316;

[0026] Pretreatment assembly 32 is arranged at the left side of the top of bottom plate 1.

[0027] Drive motor 314 is three-phase asynchronous motor, and is connected with external circuit by wire;Mixing rod 315 rotates at the right side in heat exchange bin 311;Heat exchange pipe 313 is provided with three groups.

[0028] In the embodiment, pretreatment assembly 32 includes the pretreatment box 321 of being installed at the top left side of bottom plate 1, the top of pretreatment box 321 is fixedly connected with air draught fan 322, the top of air draught fan 322 is fixedly connected with the other end of air pipe 312 by connecting pipe, the lower left side of pretreatment box 321 is installed with waste gas inlet pipe 323, the inside of pretreatment box 321 is installed with filter screen plate 324, the inside of pretreatment box 321 and above filter screen plate 324 are installed with activated carbon adsorption layer 325.

[0029] Air draught fan 322 is connected with external circuit by wire;Filter screen plate 324 and activated carbon adsorption layer 325 are all installed in the inside of pretreatment box 321 by bolt;Waste gas inlet pipe 323 is communicated with the waste gas discharge pipeline of external glass bead bead furnace.

[0030] In the embodiment, the top of heat exchange bin 311 is fixedly connected with water inlet pipe 4, the bottom of heat exchange bin 311 is fixedly connected with water outlet pipe 5.

[0031] The inside of water inlet pipe 4 and water outlet pipe 5 is provided with solenoid valve.

[0032] In this embodiment, the purification assembly 2 includes a purification bin 21 installed on the top right side of the bottom plate 1. The top of the purification bin 21 is fixedly connected with a liquid pumping pump 22. The bottom of the liquid pumping pump 22 is fixedly connected with a spraying pipe 23. The bottom of the spraying pipe 23 is fixedly connected with multiple groups of spray heads. The inner wall of the purification bin 21 is fixedly connected with a filler support plate 24. The upper side of the filler support plate 24 is provided with a filler layer 25.

[0033] The liquid pumping pump 22 is connected with an external circuit through an electric wire. The right side of the liquid pumping pump 22 is communicated with an external liquid storage tank through a liquid inlet pipe. A chemical absorbent is configured in the liquid storage tank. The chemical absorbent can be configured for different pollutants:

[0034] Sodium hydroxide (NaOH): It is a strong alkaline substance with strong absorption capacity for acidic gases such as sulfur dioxide. It has high solubility in water and can quickly react with acidic pollutants. For example, when treating sulfur oxides in the glass bead forming furnace exhaust gas, sodium hydroxide solution can efficiently absorb and convert them.

[0035] Calcium hydroxide (Ca(OH)2): It is also known as lime, which is widely available and relatively low in cost. It can react with acidic pollutants in the exhaust gas to form sulfite or water-soluble substances, achieving the purpose of removing pollutants.

[0036] Ammonia (NH3): Ammonia has good absorption effect on nitrogen oxides. Ammonia and nitrogen oxides can react under certain conditions to generate harmless substances such as nitrogen and water.

[0037] In this embodiment, the upper right side of the purification bin 21 is fixedly connected with an exhaust pipe 6. The lower right side of the purification bin 21 is fixedly connected with a drain pipe 7.

[0038] In this embodiment, the heat exchange pipe 313 is horizontally placed in a threaded shape. One end of the heat exchange pipe 313 is fixedly connected with the surface of the purification bin 21.

[0039] The waste heat recovery device of the glass bead forming furnace exhaust gas utilizes the threaded heat exchange pipe 313 in the recovery assembly 31 to transport the hot exhaust gas. During the flow of the hot exhaust gas, water with larger specific heat capacity exchanges heat with the hot exhaust gas, thereby fully utilizing the hot exhaust gas of the glass bead forming furnace, recycling the waste energy, and filtering and activated carbon adsorption treatment of the hot exhaust gas through the pretreatment assembly 32. The particulate matter or dust in the hot exhaust gas can be filtered to avoid clogging the heat exchange pipe 313, and harmful gases in the hot exhaust gas can be removed.

[0040] The glass bead forming furnace waste heat recovery device, by setting up the purification assembly 2, utilizes specific chemical absorbent to react with pollutants in the waste gas, thereby removing the pollutants, making the waste gas emission safer, avoiding the impact on the surrounding environment.

[0041] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0042] When working, first place the waste heat recovery device beside the glass bead forming furnace, inject water into the heat exchange bin 311 through the water inlet pipe 4, and connect the exhaust gas inlet pipe 323 with the glass bead forming furnace, and then start the induced draft fan 322 to introduce the hot waste gas into the pretreatment box 321, the hot waste gas first passes through the filter screen 324 to filter large particles or dust, then passes through the activated carbon adsorption layer 325 to remove harmful gases and particles in the hot waste gas, then enters the heat exchange pipe 313 through the air pipe 312, at this time the hot waste gas flows in the screw-shaped heat exchange pipe 313, the heat exchange bin 311 is heated by the waste heat emitted by the hot waste gas flowing, and the driving motor 314 is started to drive the mixing rod 315 and the mixing blade 316 to rotate, so that the water in the heat exchange bin 311 is heated more uniformly, and the heat exchange rate is improved, when the hot waste gas flows through the heat exchange pipe 313 to the purification bin 21, it will flow upwards through the filler layer 25, at this time, the chemical absorbent is delivered to the spray pipe 23 by starting the liquid pump 22, and is sprayed through the multiple groups of nozzles arranged at the bottom of the spray pipe 23, the chemical absorbent is sprayed on the filler and flows down along the surface of the filler, at this time, the waste gas and the chemical absorbent are in countercurrent contact, and closely contact on the surface of the filler for mass transfer, the absorbed gas continues to flow upwards through the exhaust pipe 6, and the chemical absorbent of the absorbed gas is discharged from the drain pipe 7.

[0043] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A glass microsphere bead furnace waste heat energy recovery device, comprising a bottom plate (1), characterized in that: The right side of the top of the bottom plate (1) is provided with a purification assembly (2), and the top of the bottom plate (1) is provided with a waste heat recovery mechanism (3), which comprises: The recovery assembly (31) comprises a heat exchange bin (311) installed at the center of the top of the bottom plate (1), a ventilation pipe (312) fixedly connected to the left side of the heat exchange bin (311), a heat exchange pipe (313) fixedly connected to one end of the ventilation pipe (312), one end of the heat exchange pipe (313) extending to the outside of the heat exchange bin (311), the heat exchange pipe (313) being used for circulating hot waste gas, the space between the inner wall of the heat exchange bin (311) and the outer wall of the heat exchange pipe (313) being capable of containing water to be heated, a drive motor (314) fixedly connected to the right side of the heat exchange bin (311), and a mixing rod (315) fixedly connected to one end of the output shaft of the drive motor (314) through a shaft coupling, the output shaft of the drive motor (314) being capable of rotating around the axis direction of the heat exchange bin (311), and a plurality of mixing blades (316) fixedly connected to the surface of the mixing rod (315). The pretreatment assembly (32) is arranged on the left side of the top of the bottom plate (1).

2. The waste heat energy recovery device of a glass microsphere forming furnace according to claim 1, characterized in that: The pretreatment assembly (32) comprises a pretreatment bin (321) installed on the left side of the top of the bottom plate (1), an air inlet fan (322) fixedly connected to the top of the pretreatment bin (321), the other end of the ventilation pipe (312) being fixedly connected to the top of the air inlet fan (322) through a connecting pipe, a waste gas inlet pipe (323) installed below the left side of the pretreatment bin (321), a filter screen (324) installed in the pretreatment bin (321), and an activated carbon adsorption layer (325) installed in the pretreatment bin (321) above the filter screen (324); the waste gas inlet pipe (323) is used for conveying initial waste gas into the pretreatment bin (321), and the initial waste gas forms the hot waste gas after passing through the filter screen (324) and the activated carbon adsorption layer (325).

3. The waste heat recovery device of a glass microsphere forming furnace according to claim 1, characterized in that: The top of the heat exchange bin (311) is fixedly connected with a water inlet pipe (4) in communication with the space in the heat exchange bin (311), and the bottom of the heat exchange bin (311) is fixedly connected with a water outlet pipe (5) in communication with the space in the heat exchange bin (311).

4. The waste heat recovery device of a glass microsphere forming furnace according to claim 1, characterized in that: The purification assembly (2) comprises a purification bin (21) installed on the right side of the top of the bottom plate (1), a liquid pump (22) fixedly connected to the top of the purification bin (21), a spray pipe (23) fixedly connected to the bottom of the liquid pump (22), a plurality of spray heads fixedly connected to the bottom of the spray pipe (23), a filler support plate (24) fixedly connected to the inner wall of the purification bin (21), and a filler layer (25) arranged above the filler support plate (24).

5. The waste heat recovery device of a glass microsphere forming furnace according to claim 4, characterized in that: The top of the right side of the purification bin (21) is fixedly connected with an exhaust pipe (6), and the bottom of the right side of the purification bin (21) is fixedly connected with a drain pipe (7).

6. The waste heat recovery device of a glass microsphere forming furnace according to claim 4, characterized in that: The heat exchange pipe (313) is thread-like along the axis direction of the heat exchange bin (311), and the end of the heat exchange pipe (313) away from the air pipe (312) is fixedly communicated with the purification bin (21).

Images