CN214598256U - Calcium spraying deacidification spray gun device in kiln - Google Patents
Calcium spraying deacidification spray gun device in kiln Download PDFInfo
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- CN214598256U CN214598256U CN202022989401.8U CN202022989401U CN214598256U CN 214598256 U CN214598256 U CN 214598256U CN 202022989401 U CN202022989401 U CN 202022989401U CN 214598256 U CN214598256 U CN 214598256U
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- hydrated lime
- storage tank
- spray gun
- kiln
- conveying device
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Abstract
A calcium spraying and deacidifying spray gun device in a kiln belongs to the technical field of environmental protection. The device comprises a variable-frequency feeding motor (1), a ton bag (2) filled with hydrated lime, a hose (3), an air compressor (4), a manual inserting plate (5), a negative pressure dust remover (6), a hydrated lime storage tank (7), a spiral reamer conveying device (8), a Roots vacuum pump (9), a hydrated lime and compressed air mixing bin (10), a transparent round rib pipe (11) for conveying the hydrated lime, a hydrated lime spray gun spray nozzle (12) and a rotary kiln (13). The spraying amount of the hydrated lime is controlled by controlling the compressed air and the spiral reamer conveying device (8) to realize deacidification and pretreatment of hazardous waste, and the device has extremely high applicability to acid materials and is one of devices with higher safety in domestic deacidification devices at present.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, a spout calcium deacidification spray gun device in kiln is related to.
Background
With the development of industry, the types and the amounts of hazardous wastes discharged in industrial production processes are increasing day by day, and the worldwide production amount of hazardous wastes is estimated to be 3.3 hundred million tons every year. Due to the serious pollution and potential serious influence brought by hazardous waste, the hazardous waste is the focus of environmental protection which is generally concerned by society; particularly, aiming at hazardous wastes with strong acidity and high content of fluorochloros, how to ensure that the tail gas can reach the standard and discharge, and control the acidic elements at a lower level, reduce the corrosion to equipment and pipelines, and put forward higher requirements on hazardous waste disposal enterprises; most of the existing hazardous waste disposal enterprises in China either do not consider the influence of acidic factors or burn the strongly acidic hazardous waste after pretreatment in a neutralization mode, but the method has the following defects in the actual treatment process:
1. the generated waste water and waste gas easily pollute the environment and cause secondary pollution.
2. The generated toxic and harmful gas can cause physical damage to operators and harm human health.
3. The toxic and harmful substances generated by the reaction are unknown, so that safety risks exist, and safety accidents are easy to occur.
4. Part of acidic solid or material which is difficult to be dissolved in water is difficult to be neutralized and pretreated
SUMMERY OF THE UTILITY MODEL
The utility model discloses both provided a problem that dangerous waste material deacidification was solved to safe environmental protection's device, reduced dry process and wet process deacidification load simultaneously again, reduced quench tower and blockked up the production volume of risk and high salt waste water.
The utility model discloses a according to how much of the useless acidic material content of danger, the injection volume that comes control hydrated lime through control compressed air and spiral reamer conveyor (8) realizes the useless deacidification of danger and pretreatment, has high suitability to the acid material, is one of the higher device of security in the present internal deacidification device.
A calcium spraying deacidification spray gun device in a kiln is characterized in that a variable frequency feeding motor (1) is fixedly connected with a spiral reamer conveying device (8), the variable frequency feeding motor (1) drives the spiral reamer conveying device (8) to operate, the lower port of a slaked lime storage tank (7) is in sealing connection with the feed inlet of the spiral reamer conveying device (8), the discharge outlet of the spiral reamer conveying device (8) is in sealing connection with a mixing bin (10), an air compressor (4) is connected with the mixing bin (10), the material outlet of the mixing bin (10) is connected with a slaked lime spray gun nozzle (12) in a rotary kiln (13) through a transparent round rib pipe (11) and is used for spraying slaked lime into the rotary kiln (13); the rotary kiln (13) is a deacidification rotary kiln; the ton bag (2) filled with the hydrated lime is connected with a hydrated lime storage tank (7) through a hose (3), a negative pressure dust remover (6) is arranged at the upper end of the hydrated lime storage tank (7), and the hydrated lime storage tank (7) and the negative pressure dust remover (6) are both connected with a vacuum pump.
The vacuum pump adopts a Roots vacuum pump.
A manual inserting plate (5) which is used as a feeding switch is arranged at the lower port of the slaked lime storage tank (7).
The connection of the slaked lime storage tank (7) and the spiral reamer conveying device (8) and the connection of the spiral reamer conveying device (8) and the mixing bin (10) are connected by flanges.
The utility model discloses a negative pressure state in roots vacuum pump makes the slaked lime storage tank, inside utilizing pressure differential to carry the slaked lime raw materials to the storage tank, reduced artifical material loading's working strength.
The utility model discloses a dust that the hydrated lime material loading in-process produced is eliminated to the negative pressure dust remover, optimizes operational environment, avoids causing the pollution to the environment.
The utility model discloses a spout the calcium at the kiln head and reach the purpose of deacidification, reaction position is in inclosed kiln head, and the waste water waste gas of production etc. are direct to burn through high temperature and deal with, avoid preliminary treatment to produce waste water and waste gas.
The utility model discloses use the compressed air that air compressor produced as the power supply, adopt the frequency conversion batcher to utilize high velocity air's drawing to penetrate and be used for carrying hydrated lime to rotary kiln head, carry out neutralization reaction with the acid material, reach the purpose of deacidification, the device's engineering investment and running cost are all lower, and equipment is compact, take up an area of fewly, are the deacidification device that an economy is suitable for.
The utility model discloses all keep airtight state in whole reaction sequence, waste gas does not leak, and the slaked lime transport mode is continuously adjustable, makes the whole process operation of calcium spraying deacidification steady, and the deacidification is effectual.
The utility model discloses the lower extreme is flange joint, convenient to detach clearance about hydrated lime and the mixed storehouse of compressed air.
The utility model discloses the hydrated lime spray gun is the conical shower nozzle of threaded connection, and injection pressure is big, and the ejection of compact is even controllable.
The utility model discloses used pipeline is transparent round muscle pipe, is convenient for observe the flow condition of slaked lime in the pipe, in time discovers to block up and clear up.
The utility model discloses just having got rid of most acidic material at whole burning device front end, having reduced the corruption of acidic material to follow-up equipment and pipeline, saved the consumption of raw and auxiliary materials such as caustic soda.
Drawings
Fig. 1 is a schematic structural diagram of a calcium-spraying deacidification spray gun device in a kiln.
The device comprises a variable-frequency feeding motor (1), a ton bag (2) filled with hydrated lime, a hose (3), an air compressor (4), a manual inserting plate (5), a negative pressure dust remover (6), a hydrated lime storage tank (7), a spiral reamer conveying device (8), a Roots vacuum pump (9), a hydrated lime and compressed air mixing bin (10), a transparent round rib pipe (11) for conveying the hydrated lime, a hydrated lime spray gun nozzle (12) and a rotary kiln (13).
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
The structure of the device is shown in figure 1.
1. When the acid material enters the rotary kiln, the slaked lime powder is injected into the kiln along with the compressed air to react with the acid material and the gas in the kiln, so as to achieve the aim of deacidification.
2. The compressed air system is generated in a gas making room of an incineration workshop, and one path is directly divided for slaked lime injection, so that the cost is saved, and the occupied area is reduced.
3. The upper part of the slaked lime storage tank is provided with a negative pressure dust collector and a Roots vacuum pump, the negative pressure dust collector is mainly used for collecting slaked lime dust generated by treatment, the field dust pollution can be reduced, and the aim of automatically feeding slaked lime can be fulfilled; the Roots vacuum pump is mainly used for maintaining negative pressure in the slaked lime storage tank, and the slaked lime raw materials in the ton bags are sucked into the slaked lime storage tank by utilizing the negative pressure, so that the working strength of manual feeding is reduced; the bottom of the slaked lime storage tank is provided with a manual inserting plate, feeding of slaked lime can be stopped under abnormal conditions, and equipment is overhauled.
4. The pipelines at the two ends of the slaked lime and compressed air mixing bin are transparent round rib pipes, so that blockage and abnormal conditions are found, and the machine is stopped and cleaned in time.
5. The slaked lime and compressed air mixing bin is connected with the rotary kiln connecting section through three sections of flanges, so that the slaked lime and compressed air mixing bin is convenient to disassemble and clean, and the section is only provided with one large bent elbow to reduce the injection resistance.
The utility model is suitable for a calcium spraying deacidification in hazardous waste kiln.
Claims (4)
1. A calcium spraying deacidification spray gun device in a kiln is characterized in that a variable frequency feeding motor (1) is fixedly connected with a spiral reamer conveying device (8), the variable frequency feeding motor (1) drives the spiral reamer conveying device (8) to operate, the lower port of a slaked lime storage tank (7) is in sealing connection with the feed inlet of the spiral reamer conveying device (8), the discharge outlet of the spiral reamer conveying device (8) is in sealing connection with a mixing bin (10), an air compressor (4) is connected with the mixing bin (10), the material outlet of the mixing bin (10) is connected with a slaked lime spray gun nozzle (12) in a rotary kiln (13) through a transparent round rib pipe (11) and is used for spraying slaked lime into the rotary kiln (13); the rotary kiln (13) is a deacidification rotary kiln; the ton bag (2) filled with the hydrated lime is connected with a hydrated lime storage tank (7) through a hose (3), a negative pressure dust remover (6) is arranged at the upper end of the hydrated lime storage tank (7), and the hydrated lime storage tank (7) and the negative pressure dust remover (6) are both connected with a vacuum pump.
2. The apparatus as claimed in claim 1, wherein said vacuum pump is a roots vacuum pump.
3. The calcium spraying deacidification spray gun device in the kiln according to claim 1, wherein the lower port of the slaked lime storage tank (7) is provided with an artificial insertion plate (5) as a feeding switch.
4. The calcium spraying deacidification spray gun device in the kiln according to claim 1, wherein the connection of the slaked lime storage tank (7) and the spiral reamer conveying device (8) and the connection of the spiral reamer conveying device (8) and the mixing bin (10) are in flange connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989401.8U CN214598256U (en) | 2020-12-10 | 2020-12-10 | Calcium spraying deacidification spray gun device in kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989401.8U CN214598256U (en) | 2020-12-10 | 2020-12-10 | Calcium spraying deacidification spray gun device in kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214598256U true CN214598256U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022989401.8U Active CN214598256U (en) | 2020-12-10 | 2020-12-10 | Calcium spraying deacidification spray gun device in kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214598256U (en) |
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2020
- 2020-12-10 CN CN202022989401.8U patent/CN214598256U/en active Active
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