CN213643706U - Desulfurizing device - Google Patents
Desulfurizing device Download PDFInfo
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- CN213643706U CN213643706U CN202022580119.4U CN202022580119U CN213643706U CN 213643706 U CN213643706 U CN 213643706U CN 202022580119 U CN202022580119 U CN 202022580119U CN 213643706 U CN213643706 U CN 213643706U
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- heat exchanger
- desulfurization
- pipe
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Abstract
The utility model discloses a desulphurization unit, including the draught fan, heat exchanger, a heat exchanger, the blast pipe, the gas-supply pipe, mist catcher and desulfurization pond, heat exchanger both ends relative are equipped with income gas port and gas outlet respectively, the output of draught fan links to each other with the income gas port on heat exchanger upper portion after passing through the filter, heat exchanger's gas outlet passes through the gas-supply pipe and links to each other with the bottom in desulfurization pond, the desulfurization pond links to each other with the heat exchanger, mist catcher sets up in the top of heat exchanger, the mode of the vertical array that becomes of blast pipe sets up in mist catcher's top, and the blast pipe is fixed in heat exchanger, heat exchanger's. Desulphurization unit will filter, desulfurization, cooling, dewatering, intensification and flue gas collection integrated as an organic whole, has reduced the area that a plurality of devices occupy to the cost and the energy have been practiced thrift to the multiple sets of device are not needed in the intensification cooling.
Description
Technical Field
The utility model belongs to the technical field of desulphurization unit, especially, relate to an integrated integrative desulphurization unit.
Background
The green development is the development subject of the society and the economy at present. At present, the wet desulphurization technology is the most widely applied flue gas desulphurization technology. Wet desulfurization process flows are adopted in about 85% of international large-scale thermal power plants. The waste water of the wet flue gas desulfurization system has high content of heavy metals such as mercury, lead, nickel, arsenic and chromium, so that the harm of direct discharge is great, the common chemical treatment method is too complex, and chemical medicines are required to be added continuously, so that the labor is consumed.
The existing desulphurization device mainly plays a role in desulphurization and flue gas temperature reduction, and in order to achieve desulphurization and flue gas temperature reduction, a plurality of devices are needed, and each device is buckled with one another to form a desulphurization system. Generally speaking, the process that flue gas desulfurization needs includes filtration, desulfurization, cooling, dewatering, intensification and collection, and filter equipment, desulfurizing tower, heat sink, dewatering device, the rising temperature device and the flue gas recovery unit of flue gas are used to the needs that correspond, and each device is independent and the ring is detained mutually. For example, the invention is a method and a device for zero discharge of waste liquid before a wet desulphurization tower and cooling and water saving of flue gas, and the invention is named as CN201710497578.6, and the method comprises the steps of spraying desulphurization waste water into high-temperature flue gas, reducing the temperature of the flue gas, separating out crystallized salt substances, then realizing solid-liquid-gas separation of the desulphurization waste water by using sound wave agglomeration in cooperation with dust removal of a dust remover, removing the separated salt substance particles in the desulphurization waste water and the particulate matters in the high-temperature flue gas by using sound wave agglomeration in cooperation with the dust remover, and sending the cleaned gas after dust removal into the wet desulphurization tower. The device comprises a secondary sedimentation tank and a sound wave agglomeration chamber, wherein a sound wave generating device is arranged on the inner wall of the sound wave agglomeration chamber, a spraying device is arranged at the inlet of the sound wave agglomeration chamber, a dust remover is arranged at the outlet of the sound wave agglomeration chamber, the outlet of the sound wave agglomeration chamber is connected with a gas inlet of a wet desulphurization tower, and a desulphurization wastewater outlet of the wet desulphurization tower is connected with the secondary sedimentation tank. The method and the device can effectively realize the zero discharge of waste liquid in front of the wet desulphurization tower and the water saving of flue gas cooling, and achieve the effective recycling. But all devices are independent, the occupied area is large, and the cost of the individual devices is high.
Therefore, how to solve the above-mentioned drawbacks of the prior art becomes the direction of efforts of those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to provide a desulphurization unit, will filter, desulfurization, cooling, dewatering, intensification and collect integrated together, can solve above-mentioned prior art's weak point completely.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a desulphurization unit, includes draught fan, heat exchanger and heat exchanger, and the both ends that heat exchanger is relative are equipped with respectively into gas port and gas outlet, its characterized in that: the device comprises a draught fan, a heat exchanger, a gas inlet, a gas outlet, a gas pipe, a gas spray device and a desulfurization pool, wherein the output end of the draught fan is connected with the gas inlet on the upper part of the heat exchanger after passing through a filter, the gas outlet of the heat exchanger is connected with the bottom of the desulfurization pool through the gas pipe, the desulfurization pool is connected with the heat exchanger, the gas spray device is arranged above the heat exchanger, the gas pipe is vertically arranged above the gas spray device in an array mode, the gas pipe is fixed in the.
As one of the preferable modes, the heat exchanger further comprises a gas bin, the gas bin is arranged at the top of the heat exchanger, and the gas outlet end of the exhaust pipe is connected with the gas inlet end of the gas bin.
As one of the preferred modes, the desulfurization device further comprises an aeration pipe, wherein the aeration pipe is arranged at the bottom of the desulfurization tank, the air inlet end of the aeration pipe is connected with the air outlet end of the air delivery pipe, and the air outlet end of the aeration pipe faces the upper part of the desulfurization tank.
In a preferred embodiment, the desulfurization tank is filled with alkali liquor.
Preferably, the mist catcher is of a net structure, and a gas outlet is formed in the top of the mist catcher and connected with the gas inlet of the exhaust pipe.
Compared with the prior art, the beneficial effects of the utility model reside in that: desulphurization unit will filter, desulfurization, cooling, dewatering, intensification and flue gas collection integrated as an organic whole, has reduced the area that a plurality of devices occupy to the cost and the energy have been practiced thrift to the multiple sets of device are not needed in the intensification cooling.
Drawings
FIG. 1 is a schematic diagram of the desulfurization device of the present invention.
FIG. 2 is a schematic diagram of a desulfurization unit with flue gas orientation and temperature schematic.
The labels in the figures are: the device comprises an induced draft fan 1, a heat exchanger 2, an exhaust pipe 3, a gas transmission pipe 4, a desulfurization tank 5, alkali liquor 6, a mist catcher 7, an aeration pipe 8, a heat exchanger 9, a gas cabin 10 and a filter 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a desulfurization device comprises an induced draft fan 1, a heat exchanger 2, a heat exchanger 9, an exhaust pipe 3, a gas pipe 4, a mist catcher 7, a desulfurization tank 5, an aeration pipe 8, a gas bin 10 and a filter 11. The two opposite ends of the heat exchanger 2 are respectively provided with an air inlet and an air outlet, and the air inlet and the air outlet are arranged at opposite positions, so that the flue gas can directly pass through the heat exchanger conveniently. Industry exhanst gas outlet is connected to draught fan 1's output, and draught fan 1's output passes through filter 11 back and links to each other with the income gas port on heat exchanger 2 upper portion, and the filter plays the effect of once filtering the flue gas, discharges such as most particulate matter outside this desulphurization unit. The gas outlet of heat exchanger passes through the gas-supply pipe 4 and links to each other with the bottom of desulfurization pond 5, and aeration pipe 8 sets up in the bottom of desulfurization pond, and aeration pipe 8's inlet end links to each other with the end of giving vent to anger of gas-supply pipe 4, and aeration pipe 8's the top of giving vent to anger end towards the desulfurization pond. Gas in the gas transmission pipe enters the desulfurization tank through the aeration pipe, an alkali liquor 6 is arranged in the desulfurization tank 5, and the alkali liquor is used as a desulfurizing agent to desulfurize the gas. The desulfurization tank 5 is connected with a heat exchanger 9, the mist catcher 7 is arranged above the heat exchanger 9, the mist catcher 7 is of a net structure, and a gas outlet is formed in the top of the mist catcher 7 and is connected with a gas inlet of the exhaust pipe 3. The gas fleeed from the desulfurization tank is captured by the mist catcher, part of the gas passes through the mist catcher with a net structure and falls back into the desulfurization tank, and the rest part flees upwards and enters the exhaust pipe. The exhaust pipes 3 are vertically arranged above the mist catcher 7 in an array mode, the exhaust pipes 3 are fixed in the heat exchanger 2, flue gas desulfurized in the desulfurization tank is discharged through the exhaust pipes, and the top of the heat exchanger 2 is extended from the upper parts of the exhaust pipes 3. The gas bin 10 is arranged at the top of the heat exchanger 2, and the gas outlet end of the exhaust pipe 3 extending out of the top of the heat exchanger 2 is connected with the gas inlet end of the gas bin 10.
The utility model discloses desulphurization unit's realization principle as follows:
the industrial flue gas has sulfides and the temperature is about 70 ℃, and the industrial flue gas enters the heat exchanger of the desulfurization device through the draught fan, a vertical exhaust pipe is arranged in the heat exchanger, the flue gas with the sulfides at high temperature can generate primary heat exchange when passing through the exhaust pipe, the temperature of the exhaust pipe is lower than the temperature of the flue gas with the sulfides at high temperature, the temperature of the flue gas coming out of the heat exchanger can be reduced, and the reduced flue gas enters a desulfurization tank at the bottom of the desulfurization device through a gas conveying pipe; the heat exchanger is used for exchanging heat of flue gas to obtain flue gas with the temperature of 25 ℃, the flue gas with the temperature of 25 ℃ after desulfurization can rise, the flue gas passes through the mist catcher which is of a grid structure and is used for filtering moisture in the flue gas, after the moisture is caught, steam and the moisture can drip back into the desulfurization tank, the filtered flue gas is output upwards from the exhaust pipe, the exhaust pipe is arranged in the heat exchanger, the temperature of the flue gas in the exhaust pipe is 25 ℃, the temperature of the flue gas outside the exhaust pipe is 70 ℃, after primary heat exchange is carried out, the temperature of the flue gas in the exhaust pipe is increased, the temperature of the flue gas outside the exhaust pipe is reduced, the length and the density of the exhaust pipe determine the temperature increase of the flue gas in the exhaust pipe, and when the temperature of the flue gas in the exhaust pipe is increased to 40-50 ℃, the flue gas is intensively stored through the gas bin arranged above.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a desulphurization unit, includes draught fan, heat exchanger and heat exchanger, and the both ends that heat exchanger is relative are equipped with respectively into gas port and gas outlet, its characterized in that: the device comprises a draught fan, a heat exchanger, a gas inlet, a gas outlet, a gas pipe, a gas spray device and a desulfurization pool, wherein the output end of the draught fan is connected with the gas inlet on the upper part of the heat exchanger after passing through a filter, the gas outlet of the heat exchanger is connected with the bottom of the desulfurization pool through the gas pipe, the desulfurization pool is connected with the heat exchanger, the gas spray device is arranged above the heat exchanger, the gas pipe is vertically arranged above the gas spray device in an array mode, the gas pipe is fixed in the.
2. The desulfurization apparatus according to claim 1, characterized in that: the gas cabin is arranged at the top of the heat exchanger, and the gas outlet end of the exhaust pipe is connected with the gas inlet end of the gas cabin.
3. The desulfurization apparatus according to claim 1, characterized in that: still include the aeration pipe, the aeration pipe sets up in the bottom of desulfurization pond, and the inlet end of aeration pipe links to each other with the end of giving vent to anger of gas-supply pipe, and the end of giving vent to anger of aeration pipe is towards the top of desulfurization pond.
4. The desulfurization apparatus according to claim 3, characterized in that: and alkali liquor is arranged in the desulfurization tank.
5. The desulfurization apparatus according to claim 1, characterized in that: the spray catcher is of a net structure, and a gas outlet is formed in the top of the spray catcher and connected with a gas inlet of the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580119.4U CN213643706U (en) | 2020-11-10 | 2020-11-10 | Desulfurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580119.4U CN213643706U (en) | 2020-11-10 | 2020-11-10 | Desulfurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213643706U true CN213643706U (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022580119.4U Active CN213643706U (en) | 2020-11-10 | 2020-11-10 | Desulfurizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213643706U (en) |
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2020
- 2020-11-10 CN CN202022580119.4U patent/CN213643706U/en active Active
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