CN217031215U - VOC waste gas high-efficiency processing device for heat energy utilization - Google Patents
VOC waste gas high-efficiency processing device for heat energy utilization Download PDFInfo
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- CN217031215U CN217031215U CN202122838652.0U CN202122838652U CN217031215U CN 217031215 U CN217031215 U CN 217031215U CN 202122838652 U CN202122838652 U CN 202122838652U CN 217031215 U CN217031215 U CN 217031215U
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Abstract
The utility model discloses a heat-utilizing VOC waste gas high-efficiency treatment device, which comprises a combustion furnace body, wherein an air outlet pipe is arranged at the top of the combustion furnace body, an air outlet plate is arranged at the bottom of an inner cavity of the combustion furnace body, a plurality of downward air outlet holes are formed in the air outlet plate, an air preheating cylinder is arranged at the periphery of the air outlet pipe, a heating cavity is formed between the air preheating cylinder and the outer wall of the air outlet pipe, an air inlet pipe and an air outlet pipe are arranged on the air preheating cylinder, the air outlet pipe is communicated with the air outlet plate through an air guide pipe, an air blower is arranged on the air guide pipe, and a dust filter screen is arranged at the port of the air inlet pipe; the combustor is arranged inside the combustion furnace body. The utility model can reasonably utilize the heat generated by combustion and improve the treatment effect of VOC waste gas.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a VOC waste gas high-efficiency treatment device utilizing heat energy.
Background
VOC (volatile Organic compound) refers to a general name of volatile Organic compounds at normal temperature, VOC waste gas contains formaldehyde, xylene, toluene, acetone, butanone, halogen compounds and the like, a large amount of VOC waste gas can be generated in the production and use processes in the industries of petrochemical industry, pharmacy, paint, coating, electronic manufacturing, surface corrosion prevention, shoe manufacturing, printing, transportation and the like, most of the compounds have pungent smell, not only the air quality is greatly influenced, but also the human health is harmed by direct contact, and the characteristic of inflammability of the VOC waste gas also causes potential safety hazards.
At present, VOC waste gas has become the focus of air treatment problems in various countries due to large discharge amount, multiple types, difficult degradation, strong toxicity and large potential safety hazard; however, the energy of the VOC exhaust gas and the heat energy generated by oxidation and incineration in the conventional VOC exhaust gas treatment device cannot be reasonably utilized. Therefore, the VOC waste gas high-efficiency treatment device utilizing heat energy is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a VOC waste gas high-efficiency treatment device utilizing heat energy, which comprises a combustion furnace body, wherein an air outlet pipe is arranged at the top of the combustion furnace body, an air outlet plate is arranged at the bottom of an inner cavity of the combustion furnace body, a plurality of downward air outlet holes are formed in the air outlet plate, an air preheating cylinder is arranged at the periphery of the air outlet pipe, a heating cavity is formed between the air preheating cylinder and the outer wall of the air outlet pipe, an air inlet pipe and an air outlet pipe are arranged on the air preheating cylinder, the air outlet pipe is communicated with the air outlet plate through an air guide pipe, an air blower is arranged on the air guide pipe, and a dust filter screen is arranged at the port of the air inlet pipe; the inside of furnace body is equipped with the combustor, the below of combustor is equipped with the waste gas exit tube, the top of waste gas exit tube is equipped with cyclic annular waste gas delivery pipe, furnace body bottom is equipped with the waste gas that feeds through with the waste gas exit tube and advances the pipe, and waste gas advances to be equipped with flow control valve on the pipe.
As a preferred technical scheme of the utility model, the air preheating cylinder comprises two half cylinders which are oppositely opened and fixedly connected, the two half cylinders are fixed by a dismounting mechanism to form the air preheating cylinder clamped on the outer wall of the air outlet pipe, the half cylinders are provided with grooves matched with the outer wall of the air outlet pipe, and the inner walls of the grooves are provided with first sealing rock wool layers.
As a preferable technical scheme of the utility model, the air outlet pipe is provided with a supporting block for supporting the bottom of the air preheating cylinder.
As a preferable technical scheme of the utility model, the disassembling mechanism comprises positioning strips arranged at the butt joint end of the semi-cylinder body, the positioning strips are fixed through bolts penetrating through the positioning strips, and a second sealing rock wool layer is arranged between the two positioning strips.
As a preferred technical scheme of the utility model, the dust filter screen comprises a connecting pipe which is installed at the port of the air inlet pipe in a threaded manner, and a precise filter screen is arranged at the outer port of the connecting pipe.
As a preferable technical scheme of the present invention, the outer wall of the air outlet pipe is provided with a preheating fin for preheating the inside of the cylinder by air.
As a preferable technical solution of the present invention, a heat insulating tape is wound around the air guide duct.
As a preferable technical scheme of the utility model, a heat insulation layer is arranged on the outer wall of the air preheating cylinder.
The beneficial effects of the utility model are:
1. according to the efficient VOC waste gas treatment device utilizing heat energy, the air preheating cylinder is arranged on the outer side of the air outlet pipe of the combustion furnace body, the heating cavity is formed between the air preheating cylinder and the outer wall of the air outlet pipe, outside air is filtered by the dust filter screen and enters the heating cavity to be preheated, so that the temperature of the air introduced into the combustion furnace body is higher, and then the VOC waste gas is heated when the VOC waste gas contacts with the outside air, so that the VOC waste gas has higher temperature and is extremely easy to ignite, and the VOC waste gas is convenient to fully combust under the combustion action of the combustor; the air outlet plate is provided with a plurality of downward air outlet holes, so that air is discharged downwards, the flow speed of outside air introduced into the combustion furnace body is effectively reduced, waste gas is not easy to blow away, and waste gas is favorably combusted; wherein the top of waste gas exit tube is equipped with cyclic annular waste gas discharge pipe, has effectively increased the area of giving vent to anger of waste gas, and the oxygen in the waste gas of being convenient for and the air fully contacts and is burnt.
2. The air preheating barrel with the specific structure is arranged in the VOC waste gas high-efficiency treatment device for utilizing heat energy, the air preheating barrel and the existing combustion furnace body are conveniently installed and butted, and the heat energy utilization VOC waste gas high-efficiency treatment device has the advantages of being convenient to install and detach.
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. In the drawings:
FIG. 1 is a schematic structural view of a high-efficiency VOC waste gas treatment device utilizing heat energy in accordance with the present invention;
FIG. 2 is a schematic structural view of an air preheating cylinder of the efficient VOC waste gas treatment device for heat energy utilization of the utility model;
fig. 3 is a schematic structural view of a preheating fin of a thermal energy utilizing VOC exhaust gas high efficiency processing apparatus according to the present invention.
In the figure: 1. a combustion furnace body; 2. an air outlet pipe; 3. an air outlet plate; 4. an air outlet; 5. an air preheating cylinder; 6. a heating cavity; 7. an air inlet pipe; 8. an air outlet pipe; 9. an air guide pipe; 10. a blower; 11. a dust filter screen; 12. a burner; 13. an exhaust gas outlet pipe; 14. an annular exhaust gas discharge pipe; 15. An exhaust gas inlet pipe; 16. a flow regulating valve; 17. a half cylinder; 18. a groove; 19. a first sealed rock wool layer; 20. a support block; 21. positioning the lath; 22. a second sealed rock wool layer; 23. a connecting pipe; 24. A precision filter screen; 25. preheating the fins.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
The embodiment is as follows: as shown in fig. 1, 2 and 3, the heat energy utilizing VOC waste gas high efficiency treatment device of the present invention comprises a combustion furnace body 1, an air outlet pipe 2 is arranged at the top of the combustion furnace body 1, an air outlet plate 3 is arranged at the bottom of the inner cavity of the combustion furnace body 1, a plurality of downward air outlet holes 4 are arranged on the air outlet plate 3, an air preheating cylinder 5 is arranged at the periphery of the air outlet pipe 2, a heating cavity 6 is formed between the air preheating cylinder 5 and the outer wall of the air outlet pipe 2, an air inlet pipe 7 and an air outlet pipe 8 are arranged on the air preheating cylinder 5, the air outlet pipe 8 is communicated with the air outlet plate 3 through an air guide pipe 9, an air blower 10 is arranged on the air guide pipe 9, and a dust filter screen 11 is arranged at the port of the air inlet pipe 7; the inside of burner body 1 is equipped with combustor 12, the below of combustor 12 is equipped with waste gas exit tube 13, the top of waste gas exit tube 13 is equipped with cyclic annular waste gas discharge pipe 14, burner body 1 bottom is equipped with the waste gas that feeds through with waste gas exit tube 13 and advances pipe 15, and waste gas advances to be equipped with flow control valve 16 on the pipe 15. The outer side of the air outlet pipe 2 of the combustion furnace body 1 is provided with the air preheating cylinder 5, a heating cavity 6 is formed between the air preheating cylinder 5 and the outer wall of the air outlet pipe 2, outside air is filtered by the dust filter screen 11 and enters the heating cavity 6 to be preheated, so that the temperature of the air introduced into the combustion furnace body 1 is higher, and then the air is heated when being contacted with VOC waste gas, so that the VOC waste gas has higher temperature and is easy to ignite, and the combustion of the burner 12 is facilitated to be fully combusted; the air outlet plate 3 is provided with a plurality of downward air outlet holes 4, so that the air is discharged downwards, the flow speed of the outside air introduced into the combustion furnace body 1 is effectively reduced, the waste gas is not easy to blow away, and the waste gas is favorably combusted; wherein, the top of the waste gas outlet pipe 13 is provided with an annular waste gas outlet pipe 14, which effectively increases the gas outlet area of the waste gas and is convenient for the waste gas to be fully contacted with the oxygen in the air and be combusted.
And the air outlet pipe 2 is provided with a supporting block 20 for supporting the bottom of the air preheating cylinder 5.
The disassembly body is including setting up the location slat 21 at half barrel 17 butt joint end, fix mutually through the bolt to wearing between the location slat 21, and two be equipped with the sealed rock wool layer 22 of second between the location slat 21, install and dismantle two half barrels 17 to have better sealed effect between the two.
The dust filter screen 11 comprises a connecting pipe 23 which is arranged at the port of the air inlet pipe 7 in a threaded manner, and a precise filter screen 24 is arranged at the outer port of the connecting pipe 23, so that the dust filter screen is convenient to install and replace or clean.
The outer wall of the air outlet pipe 2 is provided with preheating fins 25 used for preheating the inside of the cylinder 5. The heat contact area between the air and the air outlet pipe in the preheating process is effectively increased, so that the preheating effect on the air is improved.
The air guide pipe 9 is wound with a heat insulation belt, so that the heat insulation effect is achieved, and the air introduced into the combustion furnace body 1 from the outside can be conveniently preheated.
The outer wall of the air preheating cylinder 5 is provided with a heat insulation layer, so that the heat insulation effect is achieved, and the air introduced into the combustion furnace body 1 from the outside can be conveniently preheated.
The working principle is as follows: the outer side of the air outlet pipe 2 of the combustion furnace body 1 is provided with the air preheating cylinder 5, a heating cavity 6 is formed between the air preheating cylinder 5 and the outer wall of the air outlet pipe 2, outside air is filtered by the dust filter screen 11 and enters the heating cavity 6 to be preheated, so that the temperature of the air introduced into the combustion furnace body 1 is higher, and then the air is heated when being contacted with VOC waste gas, so that the VOC waste gas has higher temperature and is easy to ignite, and the combustion of the burner 12 is facilitated to be fully combusted; the air outlet plate 3 is provided with a plurality of downward air outlet holes 4, so that the air is discharged downwards, the flow speed of the outside air introduced into the combustion furnace body 1 is effectively reduced, the waste gas is not easy to blow away, and the waste gas is favorably combusted; wherein, the top of the waste gas outlet pipe 13 is provided with an annular waste gas outlet pipe 14, which effectively increases the gas outlet area of the waste gas and is convenient for the waste gas to be fully contacted with the oxygen in the air and be combusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a VOC waste gas high-efficiency processing device that heat energy utilized which characterized in that: the air preheating device comprises a combustion furnace body (1), wherein an air outlet pipe (2) is arranged at the top of the combustion furnace body (1), an air outlet plate (3) is installed at the bottom of an inner cavity of the combustion furnace body (1), a plurality of downward air outlet holes (4) are formed in the air outlet plate (3), an air preheating cylinder (5) is arranged at the periphery of the air outlet pipe (2), a heating cavity (6) is formed between the air preheating cylinder (5) and the outer wall of the air outlet pipe (2), an air inlet pipe (7) and an air outlet pipe (8) are arranged on the air preheating cylinder (5), the air outlet pipe (8) is communicated with the air outlet plate (3) through an air guide pipe (9), an air blower (10) is arranged on the air guide pipe (9), and a dust filter screen (11) is installed at the port of the air inlet pipe (7); the inside of burner body (1) is equipped with combustor (12), the below of combustor (12) is equipped with waste gas exit tube (13), the top of waste gas exit tube (13) is equipped with cyclic annular waste gas delivery pipe (14), burner body (1) bottom is equipped with the waste gas that feeds through with waste gas exit tube (13) and advances pipe (15), and waste gas advances to be equipped with flow control valve (16) on pipe (15).
2. The efficient VOC waste gas treatment device capable of utilizing heat energy as claimed in claim 1, wherein the air preheating cylinder (5) comprises two half cylinders (17) which are fixedly connected in a split manner, the two half cylinders (17) are fixed by a dismounting mechanism to form the air preheating cylinder (5) clamped on the outer wall of the air outlet pipe (2), a groove (18) which is matched with the outer wall of the air outlet pipe (2) is formed in each half cylinder (17), and a first sealing rock wool layer (19) is arranged on the inner wall of each groove (18).
3. The efficient heat energy utilizing VOC waste gas treatment device as claimed in claim 2, wherein the outlet pipe (2) is provided with a support block (20) for supporting the bottom of the air preheating cylinder (5).
4. The efficient thermal energy utilization treatment device for VOC exhaust gases as claimed in claim 2, wherein the disassembling mechanism comprises positioning slats (21) disposed at the butt ends of the half cylinders (17), the positioning slats (21) are fixed to each other by bolts passing through, and a second sealing rock wool layer (22) is disposed between the two positioning slats (21).
5. The efficient treatment device for VOC waste gas with high heat utilization rate as claimed in claim 1, wherein said dust filter (11) comprises a connecting pipe (23) threaded at the end of said air inlet pipe (7), and a fine filter screen (24) is disposed at the outer end of said connecting pipe (23).
6. A high-efficiency heat-utilizing VOC exhaust gas treatment device according to claim 1, wherein the outer wall of the outlet duct (2) is provided with preheating fins (25) for preheating the inside of the drum (5) with air.
7. The efficient treatment device for VOC waste gas with heat energy utilization as claimed in claim 1, wherein said air duct (9) is wrapped with a heat insulation tape.
8. The efficient heat energy utilizing VOC waste gas treatment device as claimed in claim 1, wherein the outer wall of the air preheating cylinder (5) is provided with a heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122838652.0U CN217031215U (en) | 2021-11-19 | 2021-11-19 | VOC waste gas high-efficiency processing device for heat energy utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122838652.0U CN217031215U (en) | 2021-11-19 | 2021-11-19 | VOC waste gas high-efficiency processing device for heat energy utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217031215U true CN217031215U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122838652.0U Active CN217031215U (en) | 2021-11-19 | 2021-11-19 | VOC waste gas high-efficiency processing device for heat energy utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217031215U (en) |
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2021
- 2021-11-19 CN CN202122838652.0U patent/CN217031215U/en active Active
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