CN1331573C - Moving bed dry process desulphurization unit and method in intermittent type - Google Patents
Moving bed dry process desulphurization unit and method in intermittent type Download PDFInfo
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- CN1331573C CN1331573C CNB2004100815653A CN200410081565A CN1331573C CN 1331573 C CN1331573 C CN 1331573C CN B2004100815653 A CNB2004100815653 A CN B2004100815653A CN 200410081565 A CN200410081565 A CN 200410081565A CN 1331573 C CN1331573 C CN 1331573C
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- desulphurization
- desulfurizing tower
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Abstract
The present invention relates to a moving bed dry process desulphurization device and a desulphurization method in an intermittent type. The present invention is characterized in that the device comprises a desulphurization tower (1), a material discharging measuring tank (2) and a material feeding measuring tank (3), wherein the bottom of the material feeding measuring tank (3) is connected with the top of the desulphurization tower (1) through a material feeding pipe, and the bottom of the desulphurization tower is connected with the material discharging measuring tank (2). Desulphurization gas is supplied to a gas distributor (4) of the desulphurization tower through a gas pipe. The upper part of the desulphurization tower is provided with a gas outlet (5). A desulphurization gas inlet branch pipe is connected with a material charging valve (11) at the lower part of the material feeding measuring tank (3), which forms a whole body of a desulphurization tower device. The desulphurization method comprises the following steps: desulphurization gas which contains 10 to 10000 mg/m<3> of sulfur at a flow value of 1 to 1000 thousand square/day under the pressure of 4.0mpa enters a gas distributor from the lower part of the desulphurization tower; the desulphurization gas is purified and delivered from a purified gas outlet (5) at the upper part of the desulphurization tower by a desulphurization agent bed layer; the sulfur content of purified gas is less than 20 mg/m<3>. The moving bed dry process desulphurization device has the advantages of simple structure, and convenient and fast operation. The occupation area is reduced by 30%, the investment is reduced by 40%, and the desulphurization efficiency is increased by 20 to 30%.
Description
One, technical field
The present invention relates to a kind of batch (-type) moving bed dry desulfurization device and sulfur method thereof.
Two, background technology
Along with the gas energy is continually developed, Chinese patent 03232930.X discloses the wet desulphurization of denomination of invention " a kind of desulfurizer of flue gas "; The desulfurization by dry method of combustion gas also has very big development, desulfurization by dry method mainly adopts fixed-bed process at present, it is exactly the disposable desulfurizing agent that in digester, loads tens tons to hundred tons, using desulfurization bed " puncture " just all draws off the desulfurizing agent integral body that lost efficacy, again load new desulfurizing agent, could put into operation again.Though this process has simple to operate, reliable advantage, but its shortcoming is also very important, up to a hundred tons of desulfurizing agents of disposable filling, not only equipment investment is big, floor space is wide, energy consumption height, and a large amount of desulfurizing agents filling specification requirement height, occur uneven easily and shortcoming that cause the desulfurizing agent partial failure just must all change, the inefficacy desulfurizing agent draws off in a large number at short notice and causes environmental pollution easily.The deodorization of inefficacy desulfurizing agent is handled also very difficult.
Three, summary of the invention
The objective of the invention is provides a kind of batch (-type) moving bed dry desulfurization device and sulfur method thereof at the deficiencies in the prior art, be characterized in making the desulfurizing agent bed regularly to move the discharging in time of gliding, replenish new desulfurizing agent during postscript, though do not load the desulfurizing agent of big quantity first, overcome the shortcoming of fixed-bed desulfurization.
Purpose of the present invention is realized by following technique measures:
Batch (-type) moving bed dry desulfurization device contains desulfurizing tower, discharging measuring tank and poidometer measuring tank, poidometer measuring tank bottom is connected with the top of desulfurizing tower by charge pipe, the desulfurizing tower bottom is connected with the discharging measuring tank, processed gas is connected with the gas distributor of desulfurizing tower by air inlet pipe, purified gas outlet is established on desulfurizing tower top, and the charging valve of the bottom of desulfurization air intake branch and poidometer measuring tank connects and composes desulfurizing tower device integral body.
Desulfurizing tower top is provided with the sorbent particle distributor, the distribution of particles device is fixed in the desulfurizing tower by metal frame, the distribution of particles device is divided into the processed gas outlet, the conus portion of desulfurizing tower is established gas distributor, gas distributor is connected with the desulfurization tracheae, filling desulfurizing agent in the desulfurizing tower, the desulfurizing agent discharge valve of desulfurizing tower bottom is connected with the discharging measuring tank, and the desulfurization cat head is established air bleeding valve.
Charging hopper is established on the top of poidometer measuring tank, charging hopper is connected with the poidometer measuring tank by charging valve, and charging valve is established in poidometer measuring tank bottom, and charging valve one end is connected with the qi of chong channel ascending adversely valve, the other end of charging valve is connected with charge pipe, and air bleeding valve is connected with the poidometer measuring tank by filter screen.
Establish air bleeding valve on the discharging measuring tank, air bleeding valve is connected with the discharging measuring tank by filter screen, and the discharging measuring tank is connected with desulfurizing tower by the desulfurizing agent discharge valve, and the discharge valve under the discharging measuring tank is connected with packaging bag.
The distribution of particles device is made for the macropore wire netting.
The person in charge of gas distributor becomes vertical distribution with parallel transverse tube, all offers some air admission holes on the person in charge and the transverse tube.
The sulfur method of batch (-type) moving bed dry desulfurization device:
1, from charging hopper, manually adds quantitative desulfurizing agent, by of the interface inflation of qi of chong channel ascending adversely valve to the charging valve bottom, pressure is 0.2～0.4MPa, cut off the gas inlet and outlet of desulfurizing tower, open the air bleeding valve at desulfurizing tower top, fresh sorbent particle in the groove is delivered to desulfurizing tower top with regard to wind, particle is sprayed at the surface of distributor and is seated in the tower equably.
2, with sulfur content for being 10～10000mg/m
3, with the flow in 1～1,000,000 side/sky, pressure is the processed gas below the 4.0MPa enters the even distribution of gas distributor from the desulfurizing tower bottom after, processed gas purifies by the desulfurizing agent bed and sends from the purified gas outlet on desulfurizing tower top, and the sulfur content of Purge gas is 20mg/m
3Below.
3, desulfurizing agent is after operation a period of time, need to change a small amount of desulfurizing agent, regulation and control qi of chong channel ascending adversely valve air pressure is at 0.2～0.4MPa, open the air bleeding valve at discharging measuring tank top, close the blowpit discharge valve of bottom, slowly open the desulfurizing agent discharge valve of desulfurizing tower bottom, the inefficacy desulfurizing agent falls into the discharging measuring tank from the desulfurizing tower bottom, the gas of inefficacy desulfurizing agent is discharged by air bleeding valve by filter screen, closes the desulfurizing agent discharge valve and finishes the discharging operation.
When processed gas pressure is higher, only need regulation and control qi of chong channel ascending adversely valve pressure at 0.5～0.8MPa, all the other operations just can realize reinforced synchronously and discharging with 1 step.
The present invention has following advantage:
1, batch (-type) moving bed dry desulfurization device is simple in structure, and floor space reduces 30%, and investment reduces 40%, and is easy to operate, quick.
2, regularly draw off the inefficacy desulfurizing agent, make under the desulfurizing agent bed course and move, particle glides and rotates, and upgrades the gas-solid contact-making surface, improves desulfuration efficiency and reaches 20～30%.
3, desulfurizing agent airtight package and deodorization processing easily do not produce environmental pollution.
Four, description of drawings
Fig. 1 is a batch (-type) moving bed dry desulfurization device schematic diagram
1 desulfurizing tower, 2 discharging measuring tanks, 3 poidometer measuring tanks, 4 gas distributors, 5 purified gas outlet, 6 desulfurizing agent imports, 7,10 air bleeding valves, 8 desulfurizing agent discharge valves, 9 blowpit discharge valves, 11,13 charging valves, 12 qi of chong channel ascending adversely valves, 14 charging hoppers, 15,16 filter screens, 17 desulfurizing agents, 18 distribution of particles devices, 19 air inlet pipe.
Fig. 2 distribution of particles device schematic diagram
20 metal frame
Fig. 3 gas distributor schematic diagram
21 are responsible for 22 parallel transverse tubes, 23 holes
Five, the specific embodiment
Below by embodiment the present invention is carried out concrete description; be necessary to be pointed out that at this present embodiment only is used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment according to the content of the invention described above.
Embodiment
Batch (-type) moving bed dry desulfurization device has simple in structure, easily manufactured, shown in Fig. 1～3, this device contains desulfurizing tower 1, discharging measuring tank 2 and poidometer measuring tank 3, poidometer measuring tank 3 bottoms are connected by the top of charge pipe with desulfurizing tower 1, the desulfurizing tower bottom is connected with discharging measuring tank 2, processed gas is connected with the gas distributor 4 of desulfurizing tower by air inlet pipe 19, purified gas outlet 5 is established on desulfurizing tower top, and the charging valve 11 of desulfurization air intake branch and poidometer measuring tank 3 bottoms connects and composes desulfurizing tower device integral body.
Desulfurizing tower 1 top is provided with sorbent particle distributor 18, the distribution of particles device is fixed in the tower by metal frame 20, the distribution of particles device is divided into purified gas outlet 5, conus portion is established gas distributor 4, gas distributor is connected with air inlet pipe 19, filling desulfurizing agent 17 in the desulfurizing tower, the desulfurizing agent discharge valve 8 of desulfurizing tower bottom is connected with discharging measuring tank 2, and the desulfurization cat head is established air bleeding valve 7.
Establish air bleeding valve 10 on the discharging measuring tank 2, air bleeding valve is connected with the discharging measuring tank by filter screen 16, and the discharging measuring tank is connected with desulfurizing tower by desulfurizing agent discharge valve 8, and the discharge valve 9 under the discharging measuring tank is connected with packaging bag.
Distribution of particles device 18 is made for the macropore wire netting.
22 one-tenth vertical distribution of the person in charge 21 of gas distributor 4 and parallel transverse tube are all offered some air admission holes 23 on the person in charge and the transverse tube.
The sulfur method of batch (-type) moving bed dry desulfurization device:
(1) from charging hopper 14, manually adds quantitative desulfurizing agent, inflate by qi of chong channel ascending adversely valve 12 with to the interface of charging valve 11 bottoms, pressure is 0.2～0.4MPa, cut off the gas inlet and outlet of desulfurizing tower, open the air bleeding valve 7 at desulfurizing tower top, fresh sorbent particle in the groove is delivered to desulfurizing tower top with regard to wind, particle is sprayed at the surface of distributor 18 and is seated in the tower equably.
(2) be 10～10000mg/m with sulfur content
3, with the flow in 1～1,000,000 side/sky, pressure is the processed gas below the 4.0MPa enters gas distributor 4 even distributions from the desulfurizing tower bottom after, processed gas purifies by the desulfurizing agent bed and sends from the purified gas outlet 5 on desulfurizing tower top, and the sulfur content of Purge gas is 20mg/m
3Below,
(3) desulfurizing agent is after operation a period of time, need to change a small amount of desulfurizing agent, regulation and control qi of chong channel ascending adversely valve 12 air pressure are at 0.2～0.4MPa, open the air bleeding valve 10 at discharging measuring tank 2 tops, close the blowpit discharge valve 9 of bottom, slowly open the desulfurizing agent discharge valve 8 of desulfurizing tower bottom, the inefficacy desulfurizing agent falls into the discharging measuring tank from the desulfurizing tower bottom, the gas of inefficacy desulfurizing agent is discharged by air bleeding valve 10 by filter screen 16, closes desulfurizing agent discharge valve 8 and finishes the discharging operation.
When processed gas pressure is higher, only need regulation and control qi of chong channel ascending adversely valve 12 pressure at 0.5～0.8MPa, all the other operations just can realize reinforced synchronously and discharging with (1) step.
Claims (6)
1, batch (-type) moving bed dry desulfurization device, it is characterized in that this device contains desulfurizing tower (1), discharging measuring tank (2) and poidometer measuring tank (3), poidometer measuring tank (3) bottom is connected by the top of charge pipe with desulfurizing tower (1), the desulfurizing tower bottom is connected with discharging measuring tank (2) by discharge nozzle, processed gas is connected with the gas distributor (4) of desulfurizing tower by air inlet pipe (19), purified gas outlet (5) is established on desulfurizing tower top, the charging valve (11) of desulfurization air intake branch and poidometer measuring tank (3) bottom connects and composes desulfurizing tower device integral body, desulfurizing tower (1) top is provided with sorbent particle distributor (18), the distribution of particles device is fixed in the tower by metal frame (20), the distribution of particles device is divided into purified gas outlet (5), conus portion is established gas distributor (4), gas distributor is connected with air inlet pipe (19), filling desulfurizing agent (17) in the desulfurizing tower, the desulfurizing agent discharge valve (8) of desulfurizing tower bottom is connected with discharging measuring tank (2), and the desulfurization cat head is established air bleeding valve (7).
2, batch (-type) moving bed dry desulfurization device according to claim 1, charging hopper (14) is established on the top that it is characterized in that poidometer measuring tank (3), charging hopper is connected with the poidometer measuring tank by charging valve (13), charging valve (11) is established in poidometer measuring tank bottom, charging valve one end is connected with qi of chong channel ascending adversely valve (12), the other end of charging valve is connected with charge pipe, and air bleeding valve (10) is connected with the poidometer measuring tank by filter screen (15).
3, batch (-type) moving bed dry desulfurization device according to claim 1, it is characterized in that establishing on the discharging measuring tank (2) air bleeding valve (10), air bleeding valve is connected with the discharging measuring tank by filter screen (16), the discharging measuring tank is connected with desulfurizing tower by desulfurizing agent discharge valve (8), and the discharge valve under the discharging measuring tank (9) is connected with packaging bag.
4, batch (-type) moving bed dry desulfurization device according to claim 1 is characterized in that distribution of particles device (18) is that the macropore wire netting is made.
5, batch (-type) moving bed dry desulfurization device according to claim 1 is characterized in that the person in charge (21) of gas distributor (4) and parallel transverse tube (22) become vertical distribution, be responsible for and transverse tube on all offer some air admission holes (23).
6, adopt the sulfur method of one of claim 1～5 described batch (-type) moving bed dry desulfurization device, it is characterized in that:
Step 1: go up the artificial quantitative desulfurizing agent that adds from charging hopper (14), inflate by qi of chong channel ascending adversely valve (12) with to the interface of charging valve (11) bottom, pressure is 0.2～0.4MPa, cut off the gas inlet and outlet of desulfurizing tower, open the air bleeding valve (7) at desulfurizing tower top, fresh sorbent particle in the groove is delivered to desulfurizing tower top with regard to wind, particle is sprayed at the surface of distributor (18) and is seated in the tower equably
Step 2: with sulfur content is 10～10000mg/m
3, with the flow in 1～1,000,000 side/sky, pressure is the processed gas below the 4.0MPa enters the even distribution of gas distributor (4) from the desulfurizing tower bottom after, processed gas purifies by the desulfurizing agent bed and sends from the purified gas outlet (5) on desulfurizing tower top, and the sulfur content of Purge gas is 20mg/m
3Below,
Step 3: desulfurizing agent is after operation a period of time, need to change a small amount of desulfurizing agent, regulation and control qi of chong channel ascending adversely valve (12) air pressure is at 0.2～0.4MPa, open the air bleeding valve (10) at discharging measuring tank (2) top, close the blowpit discharge valve (9) of bottom, slowly open the desulfurizing agent discharge valve (8) of desulfurizing tower bottom, the inefficacy desulfurizing agent falls into the discharging measuring tank from the desulfurizing tower bottom, the gas of inefficacy desulfurizing agent is discharged by air bleeding valve (10) by filter screen (16), closes desulfurizing agent discharge valve (8) and finishes the discharging operation
When processed gas pressure is higher, only need regulation and control qi of chong channel ascending adversely valve (12) pressure at 0.5～0.8MPa, all the other are operated with step 1, just can realize reinforced synchronously and discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100815653A CN1331573C (en) | 2004-12-22 | 2004-12-22 | Moving bed dry process desulphurization unit and method in intermittent type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100815653A CN1331573C (en) | 2004-12-22 | 2004-12-22 | Moving bed dry process desulphurization unit and method in intermittent type |
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| Publication Number | Publication Date |
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| CN1660479A CN1660479A (en) | 2005-08-31 |
| CN1331573C true CN1331573C (en) | 2007-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100815653A Expired - Fee Related CN1331573C (en) | 2004-12-22 | 2004-12-22 | Moving bed dry process desulphurization unit and method in intermittent type |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107344067A (en) * | 2017-06-28 | 2017-11-14 | 贵州大学 | A kind of coal-fired high-temperature flue gas demercuration method and device |
| CN109157978B (en) * | 2018-10-08 | 2021-04-20 | 新疆宜中天环保科技有限公司 | Ecological processing system of industrial waste gas |
| CN112535924B (en) * | 2020-11-12 | 2023-01-03 | 佛山市南海明涛塑料有限公司 | Hot melt tail gas treatment structure and plastic film recovery production facility |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070588A (en) * | 1991-09-18 | 1993-04-07 | 三井矿山株式会社 | The desulfurization and the denitrogenation method that contain the waste gas of halogen-containing materials |
| CN1243028A (en) * | 1998-07-29 | 2000-02-02 | 王卫民 | Continuous generating moving-bed waste-gas treatment tower and use thereof |
| CN1478872A (en) * | 2003-06-25 | 2004-03-03 | 中国科学院山西煤炭化学研究所 | Integrated method and device of high temperature coal gas desulfur and dust removing |
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2004
- 2004-12-22 CN CNB2004100815653A patent/CN1331573C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070588A (en) * | 1991-09-18 | 1993-04-07 | 三井矿山株式会社 | The desulfurization and the denitrogenation method that contain the waste gas of halogen-containing materials |
| CN1243028A (en) * | 1998-07-29 | 2000-02-02 | 王卫民 | Continuous generating moving-bed waste-gas treatment tower and use thereof |
| CN1478872A (en) * | 2003-06-25 | 2004-03-03 | 中国科学院山西煤炭化学研究所 | Integrated method and device of high temperature coal gas desulfur and dust removing |
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