CN212057225U - Steam boiler - Google Patents

Steam boiler Download PDF

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Publication number
CN212057225U
CN212057225U CN201922491238.XU CN201922491238U CN212057225U CN 212057225 U CN212057225 U CN 212057225U CN 201922491238 U CN201922491238 U CN 201922491238U CN 212057225 U CN212057225 U CN 212057225U
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flue gas
water
steam
gas outlet
area
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CN201922491238.XU
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郝建敏
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Hebei Honggang Chemical Co ltd
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Hebei Honggang Chemical Co ltd
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Abstract

The utility model belongs to the field of preparation sulfanilic acid and sodium salt, and particularly discloses a steam boiler.A heat generated by a combustion furnace enters a flue gas area through a first flue gas inlet, water is filled in a connecting pipe of the flue gas area, and the flue gas and the water in the connecting pipe perform heat exchange to ensure that the temperature in a first water tank and a second water tank rises; through with the first water tank district of steam stove, flue gas district and second water tank district to increase the area of contact and the heat transfer effect of heating source and water, improve the burning and filter coal-fired utilization ratio and guarantee the steam volume, reduce the temperature of flue gas. The flue gas that steam boiler discharged out loops through heat exchanger and first purifying column again, can improve the purifying effect of flue gas on the one hand, reaches emission standard, and on the other hand can also carry out make full use of to the energy, improves energy utilization.

Description

Steam boiler
Technical Field
The utility model belongs to preparation sulfanilic acid and sodium salt field, in particular to steam boiler.
Background
The sulfanilic acid and sodium salt can be used for manufacturing dyes, pesticides and the like, and downstream products are numerous, so the sulfanilic acid and sodium salt occupy very important positions in chemical synthesis in China. The sulfanilic acid is prepared by reacting aniline with sulfuric acid to form salt and then performing transposition. And (3) dripping aniline into concentrated sulfuric acid for reaction, pouring the reaction mixture into cold water to obtain colorless precipitate of sulfanilic acid, cooling, filtering and drying to obtain sulfanilic acid. The sulfanilic acid sodium salt is obtained by reacting sulfanilic acid with sodium carbonate. Therefore, the production process of the sulfanilic acid and the sodium sulfanilate both need to use steam filtration to generate a large amount of heat.
At present, the utilization rate of coal of a steam boiler is low, and smoke is directly discharged into the atmosphere without being treated, so that the requirement of environmental protection cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steam boiler can improve the purifying effect of flue gas for the flue gas reaches emission standard.
The technical scheme of the utility model is realized like this:
a steam boiler, comprising:
a combustion furnace;
a steam furnace is arranged on the combustion furnace;
the top of the steam furnace is provided with a steam outlet, a first flue gas outlet and a water inlet, and the bottom of the steam furnace is provided with a first flue gas inlet;
two clapboards are arranged in the steam boiler, and divide the steam boiler into a first water tank area, a smoke area and a second water tank area from left to right in sequence;
the first flue gas outlet is communicated with the flue gas area; a steam outlet is arranged at the top of the steam oven corresponding to the first water tank area, and a water inlet is arranged at the top of the steam oven corresponding to the second water tank area; a first flue gas outlet is formed in the top of the steam furnace corresponding to the flue gas area;
the first water tank area and the second water tank area store water, a plurality of connecting pipes are arranged in the smoke area from top to bottom, one end of each connecting pipe is communicated with the first water tank area, and the other end of each connecting pipe is communicated with the second water tank area;
the first flue gas outlet is connected with a heat exchanger, and the heat exchanger is connected with a first purification tower.
Furthermore, the heat exchanger comprises a machine body, wherein a spiral pipe is fixed in the machine body, one end of the spiral pipe is connected with the water storage tank, and the other end of the spiral pipe is connected with the water inlet;
the top of the heat exchanger is provided with a second flue gas inlet, and the bottom of one side of the heat exchanger is provided with a second flue gas outlet;
the first smoke outlet is connected with the second smoke outlet.
Further, the first flue gas purification tower comprises a first tower body, a water storage tank and a water spray pipe which are arranged in the first tower body, and a water pump is arranged outside the first tower body;
a spray pipe is arranged above the water storage tank, and an atomizing nozzle is arranged at the bottom of the spray pipe; the water spray pipe is communicated with the water storage tank through a water pump;
a third flue gas inlet is formed in one side of the first tower body above the water storage tank and below the water spray pipe, and a third flue gas outlet is formed in the top of the first tower body; the second flue gas outlet is connected with the third flue gas inlet.
Further, the first purification tower is connected with a second purification tower, and the second purification tower comprises a second tower body;
a fourth flue gas inlet is formed in one side of the second tower body, and a fourth flue gas outlet is formed in the other side of the second tower body; the third flue gas outlet is connected with the fourth flue gas inlet;
a first filtering layer group, an active carbon filtering layer group and a second filtering layer group are sequentially arranged in the second tower body according to the direction from the fourth flue gas inlet to the fourth flue gas outlet;
the first filter layer group comprises a plurality of calcium chloride layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet, and the second filter layer comprises a plurality of calcium hydroxide layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet; the activated carbon filter layer group comprises a plurality of activated carbon filter layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet.
Furthermore, stainless steel filter screens are arranged on the left side surface and the right side surface of the calcium chloride layer, the left side surface and the right side surface of the activated carbon filter layer and the left side surface and the right side surface of the calcium hydroxide layer.
The utility model provides a steam boiler has following advantage:
1) the heat generated by the combustion furnace enters the flue gas area through the first flue gas inlet, water is filled in the connecting pipe of the flue gas area, and the flue gas and the water in the connecting pipe exchange heat to enable the temperature in the first water tank and the temperature in the second water tank to rise; through being divided into first water tank district, flue gas district and second water tank district with the steam boiler to increase the area of contact and the heat transfer effect of heating source and water, improve the burning and filter coal-fired utilization ratio and guarantee the steam volume, reduce the temperature of flue gas.
2) The flue gas that steam boiler discharged out loops through heat exchanger and first purifying column again, can improve the purifying effect of flue gas on the one hand, reaches emission standard, and on the other hand can also carry out make full use of to the energy, improves energy utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a steam boiler provided by the present invention;
FIG. 2 is a schematic view of the steam oven of FIG. 1;
FIG. 3 is a schematic diagram of the heat exchanger of FIG. 1;
FIG. 4 is a schematic view of the first purification column of FIG. 1;
fig. 5 is a schematic structural view of the second purification tower in fig. 1.
In the figure:
1. a combustion furnace; 2. a steam oven; 3. a partition plate; 4. a first water tank zone; 5. a flue gas zone; 6. a second water tank zone; 7. a connecting pipe; 8. a heat exchanger; 9. a body; 10. a spiral tube; 11. a first purification tower; 12. a second purification tower; 13. a first tower body; 14. a water spray pipe; 15. a water storage tank; 16. a first filtration layer group; 17. an active carbon filter layer group; 18. a second filtration layer group; 19. a second tower body.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-5, a steam boiler comprises:
a combustion furnace 1;
the combustion furnace 1 is provided with a steam furnace 2;
the top of the steam furnace 2 is provided with a steam outlet, a first flue gas outlet and a water inlet, and the bottom is provided with a first flue gas inlet;
two clapboards 3 are arranged in the steam boiler 2, and the two clapboards 3 divide the steam boiler 2 into a first water tank area 4, a smoke area 5 and a second water tank area 6 from left to right in sequence;
the first flue gas outlet is communicated with the flue gas area 5; the top of the steam boiler 2 corresponding to the first water tank area 4 is provided with a steam outlet, and the top of the steam boiler 2 corresponding to the second water tank area 6 is provided with a water inlet; a first flue gas outlet is formed in the top of the steam furnace 2 corresponding to the flue gas area 5;
water is stored in the first water tank area 4 and the second water tank area 6, a plurality of connecting pipes 7 are arranged in the flue gas area 5 from top to bottom, one end of each connecting pipe 7 is communicated with the first water tank area 4, and the other end of each connecting pipe 7 is communicated with the second water tank area 6;
the first flue gas outlet is connected with a heat exchanger 8, and the heat exchanger 8 is connected with a first purifying tower 11.
The heat generated by the combustion furnace 1 enters the flue gas area 5 through the first flue gas inlet, water is filled in the connecting pipe 7 of the flue gas area 5, and the flue gas and the water in the connecting pipe 7 exchange heat, so that the temperature in the first water tank and the temperature in the second water tank are increased; through dividing into first water tank district 4, flue gas district 5 and second water tank district 6 with steam oven 2 to increase the area of contact and the heat transfer effect of heating source and water, improve the temperature of water, guarantee the steam volume, reduce the temperature of flue gas.
In the embodiment, although the temperature of the flue gas is reduced by the steam furnace 2, the flue gas still carries heat, and in order to improve the energy utilization efficiency, the heat exchanger 8 comprises a machine body 9, a spiral pipe 10 is fixed in the machine body 9, one end of the spiral pipe 10 is connected with the water storage tank, and the other end of the spiral pipe 10 is connected with the water inlet; the bottom of the heat exchanger 8 is provided with a second flue gas inlet, and the top of the heat exchanger is provided with a second flue gas outlet; the first flue gas outlet is connected with the second flue gas inlet. In above-mentioned flue gas entered into organism 9 from the second flue gas import, the flue gas in the organism 9 carried out heat exchange with the water in the spiral pipe 10 and made the temperature of the water in the spiral pipe 10 rise, and the water that the temperature rose enters into second water tank district 6 in the spiral pipe 10 to can further improve the temperature of the water in second water tank district 6, guarantee the steam volume.
In the present embodiment, the flue gas generated by combustion in the combustion furnace 1 contains substances harmful to the environment, and therefore the first flue gas outlet is connected to the first flue gas purification tower 11, which includes the first tower body 13, the water storage tank 15 and the water spray pipe 14 provided in the first tower body 13, and the water pump is provided outside the first tower body 13; a spray pipe 14 is arranged above the water storage tank 15, and an atomizing nozzle is arranged at the bottom of the spray pipe 14; the spray pipe 14 is communicated with the water storage tank 15 through a water pump; a third flue gas inlet is formed in one side of the first tower body 13 above the water storage tank 15 and below the water spray pipe 14, and a third flue gas outlet is formed in the top of the first tower body 13; the second flue gas outlet is connected with the third flue gas inlet. The first purification tower 11 can improve the purification effect of the flue gas, and the arrangement of the water storage tank 15 and the water spray pipe 14 in the first flue gas purification tower can remove dust particles in the flue gas.
It should be noted that, in order to further improve the purification effect of the flue gas, the first purification tower 11 is connected to the second purification tower 12, and the second purification tower 12 includes a second tower body 19; a fourth flue gas inlet is arranged on one side of the second tower body 19, and a fourth flue gas outlet is arranged on the other side; the third flue gas outlet is connected with the fourth flue gas inlet; a first filtering layer group 16, an active carbon filtering layer group 17 and a second filtering layer group 18 are sequentially arranged in the second tower body 19 according to the direction from the fourth flue gas inlet to the fourth flue gas outlet; the first filter layer group 16 comprises a plurality of calcium chloride layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet, and the second filter layer comprises a plurality of calcium hydroxide layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet; the activated carbon filter layer group 17 comprises a plurality of activated carbon filter layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet. The calcium chloride layer, the activated carbon filter layer and the calcium hydroxide layer can remove sulfur-containing substances and nitrogen-containing substances in the flue gas, and the purification effect of the flue gas is improved.
Wherein, the first filtering layer group 16 comprises 2-4 calcium chloride layers, the activated carbon filtering layer group 17 comprises 2-4 activated carbon filtering layers, and the second filtering layer group 18 comprises 2-4 calcium hydroxide layers; wherein the distance between each calcium chloride layer is the same, the distance between each activated carbon filter layer is the same, and the distance between each calcium hydroxide layer is the same; and the distance between the calcium chloride layers is greater than that between the activated carbon filter layers, and the distance between the activated carbon filter layers is greater than that between the calcium hydroxide layers. The distances between the calcium chloride layer at the rightmost end and the activated carbon filter layer at the leftmost end and between the activated carbon filter layer at the rightmost end and the calcium hydroxide layer at the leftmost end are the same and are larger than the distance between the calcium chloride layers.
Wherein, the left and right sides of the calcium chloride layer, the left and right sides of the activated carbon filter layer and the left and right sides of the calcium hydroxide layer are all provided with stainless steel filter screens. The stainless steel filter screen can also play the effect of purification to the flue gas.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A steam boiler, comprising:
a combustion furnace;
a steam furnace is arranged on the combustion furnace;
the top of the steam furnace is provided with a steam outlet, a first flue gas outlet and a water inlet, and the bottom of the steam furnace is provided with a first flue gas inlet;
two clapboards are arranged in the steam boiler, and divide the steam boiler into a first water tank area, a smoke area and a second water tank area from left to right in sequence;
the first flue gas outlet is communicated with the flue gas area; a steam outlet is arranged at the top of the steam oven corresponding to the first water tank area, and a water inlet is arranged at the top of the steam oven corresponding to the second water tank area; a first flue gas outlet is formed in the top of the steam furnace corresponding to the flue gas area;
the first water tank area and the second water tank area store water, a plurality of connecting pipes are arranged in the smoke area from top to bottom, one end of each connecting pipe is communicated with the first water tank area, and the other end of each connecting pipe is communicated with the second water tank area;
the first flue gas outlet is connected with a heat exchanger, and the heat exchanger is connected with a first purification tower.
2. A steam boiler according to claim 1, characterized in that the heat exchanger comprises a body, a spiral pipe is fixed in the body, one end of the spiral pipe is connected with the water storage tank, and the other end is connected with the water inlet;
the bottom of the heat exchanger is provided with a second flue gas inlet, and the top of the heat exchanger is provided with a second flue gas outlet;
the first flue gas outlet is connected with the second flue gas inlet.
3. A steam boiler according to claim 2, characterized in that the first flue gas cleaning tower comprises a first tower body, a water storage tank and a water spray pipe arranged in the first tower body, and a water pump is arranged outside the first tower body;
a spray pipe is arranged above the water storage tank, and an atomizing nozzle is arranged at the bottom of the spray pipe; the water spray pipe is communicated with the water storage tank through a water pump;
a third flue gas inlet is formed in one side of the first tower body above the water storage tank and below the water spray pipe, and a third flue gas outlet is formed in the top of the first tower body; the second flue gas outlet is connected with the third flue gas inlet.
4. A steam boiler according to claim 3, characterized in that the first purification tower is connected to a second purification tower, which comprises a second tower body;
a fourth flue gas inlet is formed in one side of the second tower body, and a fourth flue gas outlet is formed in the other side of the second tower body; the third flue gas outlet is connected with the fourth flue gas inlet;
a first filtering layer group, an active carbon filtering layer group and a second filtering layer group are sequentially arranged in the second tower body according to the direction from the fourth flue gas inlet to the fourth flue gas outlet;
the first filter layer group comprises a plurality of calcium chloride layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet, and the second filter layer comprises a plurality of calcium hydroxide layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet; the activated carbon filter layer group comprises a plurality of activated carbon filter layers according to the direction from the fourth flue gas inlet to the fourth flue gas outlet.
5. A steam boiler according to claim 4, characterized in that the left and right sides of the calcium chloride layer, the left and right sides of the activated carbon filter layer and the left and right sides of the calcium hydroxide layer are provided with stainless steel filter screens.
CN201922491238.XU 2019-12-31 2019-12-31 Steam boiler Active CN212057225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922491238.XU CN212057225U (en) 2019-12-31 2019-12-31 Steam boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922491238.XU CN212057225U (en) 2019-12-31 2019-12-31 Steam boiler

Publications (1)

Publication Number Publication Date
CN212057225U true CN212057225U (en) 2020-12-01

Family

ID=73535532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922491238.XU Active CN212057225U (en) 2019-12-31 2019-12-31 Steam boiler

Country Status (1)

Country Link
CN (1) CN212057225U (en)

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