CN211585891U - A exhaust treatment device for coating production - Google Patents
A exhaust treatment device for coating production Download PDFInfo
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- CN211585891U CN211585891U CN201922197099.XU CN201922197099U CN211585891U CN 211585891 U CN211585891 U CN 211585891U CN 201922197099 U CN201922197099 U CN 201922197099U CN 211585891 U CN211585891 U CN 211585891U
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- waste gas
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Abstract
The utility model discloses a waste gas treatment device for coating production, including condenser box, baffle-box, adsorption tank and collecting pipe, be equipped with the heliciform condenser pipe that the multiunit connects gradually in the condenser box, be equipped with the condensate pipe on the outer wall of condenser pipe, the bottom of condenser pipe through first recovery pipe with the collecting pipe is connected; the inlet end of condenser pipe and the waste gas entry linkage of condenser box, the exit end of condenser pipe with the air inlet of baffle-box is connected, the gas outlet of baffle-box with the air inlet of adsorption tank is connected, be equipped with the adsorbed layer in the adsorption tank, the gas outlet of adsorption tank is connected with the blast pipe. The utility model discloses combine condensation, absorbent processing mode, the convenient volatile gaseous recycle to in the waste gas can suitably adjust the speed that waste gas passes through the adsorbed layer simultaneously, reduces the waste gas and strikes the damage that causes the adsorbed layer, guarantees adsorption effect.
Description
Technical Field
The utility model relates to a tail gas treatment equipment field especially relates to a waste gas treatment device for coating production.
Background
The waste gas that produces in the coating production process, volatile gases such as a large amount of organic solvents can exist, to volatile gas's processing, active adsorption's method can be used basically, however, in actual production, waste gas exhaust's speed is different, also different to the adsorption effect of waste gas, the flow rate of waste gas is low excessively, can lead to the efficiency reduction of adsorption treatment, the too high flow rate of waste gas can lead to adsorbing incompletely, moreover, to the impact of the adsorbent on the adsorbed layer, lead to the damage of losing efficacy of adsorbed layer easily.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a waste gas treatment device for coating production combines condensation, absorbent processing mode, and the speed that waste gas passes through the adsorbed layer can suitably be adjusted to the convenient volatile gaseous recycle in the waste gas simultaneously, reduces the waste gas and strikes the damage that causes to the adsorbed layer, guarantees adsorption effect.
In order to achieve the above object, the utility model adopts the following technical scheme:
a waste gas treatment device for paint production comprises a condensation box, a buffer box, an adsorption box and a collecting pipe, wherein a plurality of groups of spiral condensation pipes which are sequentially connected are arranged in the condensation box; the bottom of the condensing pipe is connected with the collecting pipe through a first recovery pipe; the inlet end of condenser pipe and the waste gas entry linkage of condenser box, the exit end of condenser pipe with the air inlet of baffle-box is connected, the gas outlet of baffle-box with the air inlet of adsorption tank is connected, be equipped with the adsorbed layer in the adsorption tank, the gas outlet of adsorption tank is connected with the blast pipe.
The utility model discloses a set up multiunit spiral condenser pipe, through the heat convection with the condensate pipe, can make a large amount of volatile gas condensation liquefaction that contains in the waste gas, volatile solvent after the liquefaction is downflow in the condenser pipe, and discharge from the first recovery tube of locating the condenser pipe bottommost, discharge through the collecting tube and collect, remaining volatile gas is adsorbed the recovery by the adsorbed layer at the adsorption tank, waste gas up to standard is discharged by the blast pipe, set up the baffle-box between adsorption tank and condenser box, play the effect of buffering to the waste gas of flow increase suddenly, reduce the impact to the adsorbent on the adsorbed layer, reduce the risk of the inefficacy damage of adsorbed layer.
Preferably, be equipped with the inside low temperature steam pipe of intercommunication on the lateral wall of adsorption tank, the bottom of adsorption tank is equipped with the second recovery tube, the second recovery tube with the collecting pipe is connected.
Let in low temperature steam through the low temperature steam pipe, can carry out the desorption to the adsorbed layer, the volatile gas that contains in the waste gas is through the condensation liquefaction, flows away in the collecting pipe through first recovery tube and collects the back, opens the valve on the second recovery tube, and the liquid after the desorption flows away through the collecting pipe and collects, plays the effect of erodeing to the collecting pipe simultaneously, and the collecting fluid that comes from first recovery tube separately retrieves with the collecting fluid that comes from the second recovery tube.
Preferably, the adsorbent of the adsorption layer is an activated carbon adsorption layer, diatomite or zeolite.
Preferably, the buffer box is in the shape of a hollow disc, a corrugated tubular buffer bag made of a flexible material is arranged inside the buffer box, two ports of the buffer bag are respectively connected with the inner top and the inner bottom of the buffer box through corrugated elastic connecting edges, the elastic connecting edges are in the shape of a ring parallel to the cross section of the buffer box, the buffer bag, the two elastic connecting edges, the inner top and the inner bottom of the buffer box form a sealed buffer chamber, and the volume of the buffer chamber is variable; be equipped with intake pipe and the outlet duct that extends to the inside of cushion bag respectively on the lateral wall of baffle-box, intake pipe and outlet duct and cushion bag are sealing connection.
When the flow of waste gas increases suddenly, the expansion of elastic connection limit, the volume of buffering bag appropriately expands (elastic connection limit and buffering bag are solvent-resistant rubber material) to the change of adaptation waste gas flow plays the effect of buffering to waste gas, reduces the velocity of flow of waste gas, reduces the impact to the adsorbent on the adsorbed layer, reduces the risk of the inefficacy damage of adsorbed layer.
Preferably, the central axis at intake pipe and outlet duct place is the tangential of baffle-box, so, can make waste gas can present the spiral flow direction (set for this flow direction to be the forward flow direction) after the intake pipe gets into the cushion bag inside from the intake pipe, because the tangential setting of baffle-box is all followed to intake pipe and outlet duct for waste gas only can flow from the outlet duct with a reverse flow direction, so, has increased the dwell time of waste gas in the cushion bag, and the cushioning effect is more obvious.
The utility model has the advantages that:
1. the utility model discloses a set up multiunit spiral condenser pipe, through the heat convection with the condensate pipe, can make a large amount of volatile gas condensation liquefaction that contains in the waste gas, volatile solvent after the liquefaction is downflow in the condenser pipe, and discharge from the first recovery tube of locating the condenser pipe bottommost, discharge through the collecting tube and collect, remaining volatile gas is adsorbed the recovery by the adsorbed layer at the adsorption tank, waste gas up to standard is discharged by the blast pipe, set up the baffle-box between adsorption tank and condenser box, play the effect of buffering to the waste gas of flow increase suddenly, reduce the impact to the adsorbent on the adsorbed layer, reduce the risk of the inefficacy damage of adsorbed layer.
2. Let in low temperature steam through the low temperature steam pipe, can carry out the desorption to the adsorbed layer, the volatile gas that contains in the waste gas is through the condensation liquefaction, flows away in the collecting pipe through first recovery tube and collects the back, opens the valve on the second recovery tube, and the liquid after the desorption flows away through the collecting pipe and collects, plays the effect of erodeing to the collecting pipe simultaneously, and the collecting fluid that comes from first recovery tube separately retrieves with the collecting fluid that comes from the second recovery tube.
3. When the flow of waste gas increases suddenly, the expansion of elastic connection limit, the volume of buffering bag appropriately expands (elastic connection limit and buffering bag are solvent-resistant rubber material) to the change of adaptation waste gas flow plays the effect of buffering to waste gas, reduces the velocity of flow of waste gas, reduces the impact to the adsorbent on the adsorbed layer, reduces the risk of the inefficacy damage of adsorbed layer.
4. Waste gas can present the spiral flow direction (set for this flow direction to be the forward flow direction) after getting into the buffer bag inside from the intake pipe because the tangential setting of baffle-box is all followed to intake pipe and outlet duct for waste gas only can flow from the outlet duct with a counter flow to, so, has increased the dwell time of waste gas in the buffer bag, and the buffering effect is more obvious.
Drawings
FIG. 1 is a schematic structural diagram of an exhaust gas treatment device for paint production according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the buffer box according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view and a longitudinal-sectional view of the buffer box according to the embodiment of the present invention;
fig. 4 is the internal structure schematic diagram of the adsorption box according to the embodiment of the present invention.
Description of reference numerals:
1. a condenser tank; 101. a condenser tube; 102. an exhaust gas inlet; 103. a condensate pipe; 104. a condensate inlet; 105. a condensate outlet; 106. a first recovery pipe; 2. a buffer tank; 201. an air inlet; 202. an air outlet; 203. a buffer bag; 204. an elastic connecting edge; 3. an adsorption tank; 301. a second recovery pipe; 302. a valve; 303. an adsorption layer; 304. a low temperature steam pipe; 4. a collector pipe; 5. and (4) exhausting the gas.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, an exhaust gas treatment device for paint production includes a condensation tank 1, a buffer tank 2, an adsorption tank 3 and a collecting pipe 4, wherein a plurality of sets of spiral condensation pipes 101 connected in sequence are arranged in the condensation tank 1, a condensation liquid pipe 103 is arranged on the outer wall of the condensation pipe 101, a condensation liquid outlet 105 of the condensation liquid pipe 103 is located at an air inlet end of the condensation pipe 101, and a condensation liquid inlet 104 of the condensation liquid pipe 103 is located at an air outlet end of the condensation pipe 101; the bottom of the condensation pipe 101 is connected with the collecting pipe 4 through a first recovery pipe 106; the entrance point of condenser pipe 101 is connected with the waste gas entry 102 of condenser box 1, the exit end of condenser pipe 101 with the air inlet 201 of buffer tank 2 is connected, the gas outlet 202 of buffer tank 2 with the air inlet 201 of adsorption tank 3 is connected, be equipped with adsorbed layer 303 in the adsorption tank 3, the gas outlet 202 of adsorption tank 3 is connected with blast pipe 5.
The utility model discloses a set up multiunit spiral condenser pipe 101, through the heat convection with condensate pipe 103, can make a large amount of volatile gas condensation liquefaction that contains in the waste gas, the volatile solvent after the liquefaction flows down in condenser pipe 101, and discharge from the first recovery tube 106 of locating condenser pipe 101 bottommost, discharge through collecting tube 4 and collect, remaining volatile gas is adsorbed the recovery by adsorbed layer 303 at adsorption tank 3, exhaust gas up to standard is discharged by blast pipe 5, set up buffer tank 2 between adsorption tank 3 and condenser tank 1, play the effect of buffering to the waste gas of flow increase suddenly, reduce the impact to the adsorbent on adsorption layer 303, reduce the risk of the inefficacy damage of adsorption layer 303.
In one embodiment, as shown in fig. 4, a low-temperature steam pipe 304 is provided on a sidewall of the adsorption tank 3 to communicate with the interior thereof, a second recovery pipe 301 is provided at the bottom of the adsorption tank 3, and the second recovery pipe 301 is connected to the collecting pipe 4.
The low-temperature steam is introduced through the low-temperature steam pipe 304, the adsorption layer 303 can be desorbed, volatile gas contained in the waste gas is condensed and liquefied, flows into the collecting pipe 4 through the first recovery pipe 106 and flows away for collection, the valve 302 on the second recovery pipe 301 is opened, the desorbed liquid flows away for collection through the collecting pipe 4, the collecting pipe 4 is flushed, and the collection liquid from the first recovery pipe 106 and the collection liquid from the second recovery pipe 301 are separately recovered.
In one embodiment, the adsorbent of the adsorption layer 303 is activated carbon adsorption layer 303, diatomaceous earth or zeolite.
In one embodiment, as shown in fig. 2 and 3, the buffer box 2 is in the shape of a hollow disc, a corrugated tubular buffer bag 203 made of a flexible material is arranged inside the buffer box 2, two ports of the buffer bag 203 are respectively connected with the inner top and the inner bottom of the buffer box 2 through corrugated elastic connecting edges 204, the elastic connecting edges 204 are in the shape of a ring parallel to the cross section of the buffer box 2, the buffer bag 203, the two elastic connecting edges 204 and the inner top and the inner bottom of the buffer box 2 form a sealed buffer chamber, and the volume of the buffer chamber is variable; be equipped with the intake pipe and the outlet duct that extend to the inside of buffer bag 203 respectively on the lateral wall of baffle-box 2, intake pipe and outlet duct and buffer bag 203 are sealing connection.
When the flow of waste gas increases suddenly, elastic connection limit 204 expands, and the volume of buffering bag 203 appropriately expands (elastic connection limit 204 and buffering bag 203 are solvent-resistant rubber material) to adapt to the change of waste gas flow, play the effect of buffering to waste gas, reduce the velocity of flow of waste gas, reduce the impact to the adsorbent on adsorbed layer 303, reduce the risk of the damage that loses efficacy of adsorbed layer 303.
In one of the embodiments, as shown in fig. 2, the central axis where the air inlet pipe and the air outlet pipe are located is the tangential direction of the buffer tank 2, so that the waste gas can present a spiral flow direction (set the flow direction as a positive flow direction) after entering the buffer bag 203 from the air inlet pipe, because the air inlet pipe and the air outlet pipe are both arranged along the tangential direction of the buffer tank 2, the waste gas can only flow out from the air outlet pipe in a reverse flow direction, so that the retention time of the waste gas in the buffer bag 203 is increased, and the buffering effect is more obvious.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. The waste gas treatment device for paint production is characterized by comprising a condensation box, a buffer box, an adsorption box and a collecting pipe, wherein a plurality of groups of spiral condensation pipes which are sequentially connected are arranged in the condensation box; the bottom of the condensing pipe is connected with the collecting pipe through a first recovery pipe; the inlet end of condenser pipe and the waste gas entry linkage of condenser box, the exit end of condenser pipe with the air inlet of baffle-box is connected, the gas outlet of baffle-box with the air inlet of adsorption tank is connected, be equipped with the adsorbed layer in the adsorption tank, the gas outlet of adsorption tank is connected with the blast pipe.
2. The waste gas treatment device for paint production as claimed in claim 1, wherein a low-temperature steam pipe communicated with the interior of the adsorption tank is arranged on the side wall of the adsorption tank, and a second recovery pipe is arranged at the bottom of the adsorption tank and connected with the collecting pipe.
3. The exhaust gas treatment device for paint production according to claim 2, wherein the adsorbent of the adsorption layer is an activated carbon adsorption layer, diatomaceous earth or zeolite.
4. The exhaust gas treatment device for paint production as claimed in claim 1 or 3, wherein the buffer tank is in the shape of a hollow disc, a corrugated tubular buffer bag made of flexible material is arranged inside the buffer tank, two ports of the buffer bag are respectively connected with the inner top and the inner bottom of the buffer tank through corrugated elastic connecting edges, and the elastic connecting edges are in the shape of a ring parallel to the cross section of the buffer tank; be equipped with intake pipe and the outlet duct that extends to the inside of cushion bag respectively on the lateral wall of baffle-box, intake pipe and outlet duct and cushion bag are sealing connection.
5. The exhaust gas treatment device for paint production as claimed in claim 4, wherein the central axes of the inlet pipe and the outlet pipe are tangential to the buffer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197099.XU CN211585891U (en) | 2019-12-10 | 2019-12-10 | A exhaust treatment device for coating production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197099.XU CN211585891U (en) | 2019-12-10 | 2019-12-10 | A exhaust treatment device for coating production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211585891U true CN211585891U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197099.XU Expired - Fee Related CN211585891U (en) | 2019-12-10 | 2019-12-10 | A exhaust treatment device for coating production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211585891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371130A (en) * | 2023-03-29 | 2023-07-04 | 怡科罗（南京）异味控制技术有限公司 | Handle VOCs waste gas with indirect condensing equipment |
-
2019
- 2019-12-10 CN CN201922197099.XU patent/CN211585891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371130A (en) * | 2023-03-29 | 2023-07-04 | 怡科罗（南京）异味控制技术有限公司 | Handle VOCs waste gas with indirect condensing equipment |
| CN116371130B (en) * | 2023-03-29 | 2023-11-03 | 怡科罗（南京）异味控制技术有限公司 | Handle VOCs waste gas with indirect condensing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211210 |