Deodorizing device of horizontal waste oil storage tank

Abstract

The utility model relates to an odor removal device of a horizontal waste oil storage tank, and belongs to the technical field of waste oil recovery. One end of the waste gas collecting main pipe is connected with a water supply pump, the other end of the waste gas collecting main pipe is connected with a negative pressure fan, an electric control valve A is installed on a pipeline between the waste gas collecting main pipe and the water supply pump, an electric control valve B is installed at the joint of the waste gas collecting main pipe and the negative pressure fan, and a gas outlet of the negative pressure fan is connected with a waste gas treatment device. A fixed waste gas collecting cover matched with each oil tank breather valve is arranged on one side of the oil tank breather valve, gas outlets of the fixed waste gas collecting covers are communicated with a waste gas collecting main pipe through ventilation branch pipes, and the waste gas collecting main pipe is supported on the ground through a supporting frame connected with the waste gas collecting main pipe. A water spraying pipe is arranged above the horizontal type waste oil storage tank in the length direction of the horizontal type waste oil storage tank, and the water spraying pipe is communicated with the waste gas collecting main pipe. The utility model has the following beneficial effects: peculiar smell can be eliminated, and the opportunity that employees are in contact with harmful gases is reduced.

Description

Technical Field

[0001] The utility model relates to a deodorizing device for a horizontal waste oil storage tank, belonging to the technical field of waste oil recovery. Background Art

[0002] The breathing valve is a safety device installed on the top of the tank. It controls the speed and amount of gas entering and leaving the tank to maintain the stability of the tank pressure. When the pressure inside the tank is higher than the set value, the breathing valve will open, discharge some gas, and reduce the tank pressure; when the pressure inside the tank is lower than the set value, the breathing valve will close to prevent external gas from entering, so as to keep the tank pressure within the normal range.

[0003] After searching, the patent number CN202021739237.9 discloses a waste oil tank liquid level alarm device. It includes a waste oil tank and a magnetic flap level gauge, and also includes a double flange level transmitter, a thermal resistor, and a DCS system. The double flange level transmitter and the thermal resistor are respectively connected to the DCS system. The double flange level transmitter includes a level transmitter and two connecting pipes composed of a diaphragm flange and a capillary. The two connecting pipes are connected to the same level transmitter; the magnetic flap level gauge is connected to one end of the waste oil tank, and the other end of the waste oil tank is respectively connected with two parallel diaphragm flanges. A single diaphragm flange is connected to the capillary, and a thermal resistor is also provided at the end of the waste oil tank below the diaphragm flange. The utility model accurately measures the liquid level of the waste heat transfer oil storage tank, displays and alarms in time, and completely solves the previous waste heat transfer oil overflowing the storage tank and the measurement problem of incorrect liquid level, and verifies the liquid level status of the waste oil storage tank in real time.

[0004] Although the above patent can realize the function of waste oil storage, the current technical considerations are not comprehensive and have the following disadvantages: after the breathing valve is opened, some gas will be discharged, and VOCs gases such as benzene, toluene, xylene, etc. in the breathing valve of the oil tank will be discharged along with it, producing odor and causing harm to the environment and human health.

[0005] In order to solve one of the above problems, a deodorizing device for a horizontal waste oil storage tank is urgently needed. Utility Model Content

[0006] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to realize that after the breathing valve is opened, part of the exhausted gas is collected by the fixed exhaust gas collection hood and enters the exhaust gas collection main pipe, and finally treated by the exhaust gas treatment device, so as to eliminate the odor and reduce the chance of employees being exposed to harmful gases. For this purpose, a deodorization device for a horizontal waste oil storage tank is provided.

[0007] The deodorizing device for a horizontal waste oil storage tank described in the utility model comprises a horizontally arranged waste gas collecting main pipe, one end of the waste gas collecting main pipe is connected to a water supply pump, and the other end is connected to a negative pressure fan, an electric control valve A is installed on the pipeline between the waste gas collecting main pipe and the water supply pump, an electric control valve B is installed at the connection between the waste gas collecting main pipe and the negative pressure fan, and the air outlet of the negative pressure fan is connected to a waste gas treatment device, characterized in that: a plurality of groups of horizontal waste oil storage tanks are arranged in parallel below the waste gas collecting main pipe, each group of the horizontal waste oil storage tanks is provided with an oil tank breathing valve, and a fixed waste gas collecting hood matched with the oil tank breathing valve is respectively arranged on one side of each group of the oil tank breathing valves, the air outlet of the fixed waste gas collecting hood is connected to the waste gas collecting main pipe through a ventilation branch pipe, the waste gas collecting main pipe is supported on the ground by a supporting frame connected to the waste gas collecting main pipe, a water spray pipe is arranged above the horizontal waste oil storage tank along its length direction, and the water spray pipe is connected to the waste gas collecting main pipe.

[0008] In the present application, a fixed exhaust gas collection hood cooperating with the oil tank breathing valve is respectively provided on one side of each group of the oil tank breathing valves. Under normal circumstances, the electric control valve A is closed, and the exhaust gas treatment device, the negative pressure fan and the electric control valve B are opened. After the breathing valve is opened, part of the exhausted gas is collected by the fixed exhaust gas collection hood and enters the exhaust gas collection main pipe, and is finally processed by the exhaust gas treatment device, which can eliminate odors and reduce the chances of employees being exposed to harmful gases.

[0009] Preferably, a plurality of groups of nozzles are arranged along the length direction of the water spray pipe.

[0010] Preferably, one end of the water spray pipe is blocked, and a first one-way valve is installed at the other end. The other end of the first one-way valve is connected to the water outlet pipe on the exhaust gas collecting main pipe. The water outlet pipe is welded to the exhaust gas collecting main pipe and is connected to the inner cavity of the exhaust gas collecting main pipe. The flow direction of the first one-way valve is from the exhaust gas collecting main pipe to the water spray pipe. When the negative pressure fan is working, negative pressure is generated in the exhaust gas collecting main pipe, the second one-way valve is turned on, and the first one-way valve is not turned on, and the outside air will not enter the exhaust gas collecting main pipe from the water spray pipe.

[0011] Preferably, the water inlet of the water supply pump is connected to a water source, and a second one-way valve is installed on the ventilation branch pipe, and the flow direction of the second one-way valve flows from the fixed exhaust gas collection cover to the exhaust gas collection main pipe. When the water supply pump is working, it delivers clean water to the exhaust gas collection main pipe, and a positive pressure is generated in the exhaust gas collection main pipe. The first one-way valve is turned on, and the second one-way valve is not turned on, so that liquid water can only be discharged from the water spray pipe.

[0012] Preferably, the pipe support frame includes a vertical plate, which is arranged along the length direction of the horizontal waste oil storage tank and is welded to the horizontal waste oil storage tank. A positioning groove is provided in the middle of the vertical plate, and the positioning groove matches the shape of the exhaust gas collecting main pipe. The two ends of the vertical plate are respectively provided with a first pipe body connection seat for fixing the water outlet pipe and a second pipe body connection seat for fixing the ventilation branch pipe. The structure is simple, and the exhaust gas collecting main pipe, the water spray pipe, and the fixed exhaust gas collecting cover are simultaneously positioned and installed to meet the use needs.

[0013] Preferably, the first pipe body connecting seat includes a lower clamp A welded to the vertical plate, the lower clamp A is connected to the upper clamp A via a connecting bolt A, and the lower clamp A and the upper clamp A enclose an inner cavity for fixing the water spray pipe.

[0014] Preferably, the second pipe body connecting seat includes a lower clamp B welded to the vertical plate, the lower clamp B is connected to the upper clamp B via a connecting bolt B, and the lower clamp B and the upper clamp B enclose an inner cavity for fixing the ventilation branch pipe.

[0015] Preferably, reinforcing ribs are vertically welded on both sides of the vertical plate, and the upper and lower ends of the reinforcing ribs are respectively welded to the lower clamp A and the horizontal waste oil storage tank to achieve a reinforcement effect.

[0016] Preferably, the length of the water spray pipe is 1 / 2-4 / 5 of the length of the horizontal waste oil storage tank.

[0017] Preferably, the exhaust gas treatment device is an electrostatic oil fume purifier, the exhaust gas collecting main pipe passes through the isolation wall, and the horizontal waste oil storage tank and the exhaust gas treatment device are respectively located on both sides of the isolation wall.

[0018] Preferably, the exhaust gas treatment device is a VOCs catalytic combustion purification device.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The deodorizing device for the horizontal waste oil storage tank described in the utility model turns on the waste gas treatment device, the negative pressure fan and the electric control valve B. After the breathing valve is opened, part of the exhausted gas is collected by the fixed waste gas collection hood and enters the waste gas collection main pipe, and is finally processed by the waste gas treatment device, thereby eliminating odor and reducing the chance of employees being exposed to harmful gases.

[0021] The deodorizing device for a horizontal waste oil storage tank described in the utility model can shut down the waste gas treatment device, the negative pressure fan and the electric control valve B, and open the water supply pump and the electric control valve A when a fire occurs unexpectedly at the location where the horizontal waste oil storage tank is located. The water supply pump supplies water to the waste gas collecting main pipe, and the water is discharged through the water spray pipe connected to the waste gas collecting main pipe, so as to cool down the horizontal waste oil storage tank and extinguish the fire.

[0022] The deodorizing device for the horizontal waste oil storage tank described in the utility model has a simple pipe support frame structure, and can realize simultaneous positioning and installation of the waste gas collecting main pipe, the water spray pipe, and the fixed waste gas collecting hood, thus meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 The figure is a schematic diagram of the distribution of water spray pipes and ventilation branches;

[0026] Figure 3 for Figure 2 Structural diagram of the pipe support frame.

[0027] In the figure: 1, horizontal waste oil storage tank 2, oil tank breathing valve 3, waste gas collection main pipe 4, fixed waste gas collection cover 5, support frame 6, waste gas treatment device 7, negative pressure fan 8, water supply pump 9, pipeline support frame 9.1, vertical plate 9.2, positioning groove 9.3, first pipe body connection seat 9.3.1, lower clamp A 9.3.2, connecting bolt A 9.3.3, upper clamp A 9.4, second pipe body connection seat 10, water spray pipe 11, ventilation branch pipe 12, water outlet pipe 13, first one-way valve 14, second one-way valve 15, electric control valve A16, electric control valve B 17, reinforcement rib 18, isolation wall. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings: The utility model is further illustrated below through specific embodiments, but is not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the protection scope of the utility model.

[0029] Embodiment 1, as Figure 1-2As shown, the deodorizing device for a horizontal waste oil storage tank comprises a horizontally arranged waste gas collecting main pipe 3, one end of the waste gas collecting main pipe 3 is connected to a water supply pump 8, and the other end is connected to a negative pressure fan 7, an electric control valve A15 is installed on the pipeline between the waste gas collecting main pipe 3 and the water supply pump 8, an electric control valve B16 is installed at the connection between the waste gas collecting main pipe 3 and the negative pressure fan 7, the air outlet of the negative pressure fan 7 is connected to a waste gas treatment device 6, and a plurality of horizontal waste gas treatment devices 6 are arranged in parallel below the waste gas collecting main pipe 3. Oil storage tank 1, each group of horizontal waste oil storage tanks 1 has an oil tank breathing valve 2, and one side of each group of oil tank breathing valves 2 is respectively provided with a fixed exhaust gas collection cover 4 matched therewith, and the air outlet of the fixed exhaust gas collection cover 4 is connected with the exhaust gas collection main pipe 3 through the ventilation branch pipe 11, and the exhaust gas collection main pipe 3 is supported on the ground by the support frame 5 connected thereto, and a water spray pipe 10 is provided above the horizontal waste oil storage tank 1 along its length direction, and the water spray pipe 10 is connected with the exhaust gas collection main pipe 3.

[0030] The breathing valve is a safety device installed on the top of the tank. It controls the speed and amount of gas entering and leaving the tank to maintain the stability of the tank pressure. When the pressure inside the tank is higher than the set value, the breathing valve will open, discharge some gas, and reduce the tank pressure; when the pressure inside the tank is lower than the set value, the breathing valve will close to prevent external gas from entering, so as to keep the tank pressure within the normal range.

[0031] After the breathing valve is opened, part of the gas is discharged, and VOCs gases such as benzene, toluene, xylene, etc. in the oil tank breathing valve 2 will be discharged along with it, generating odor and causing harm to the environment and human health.

[0032] In the present application, a fixed exhaust gas collecting hood 4 cooperating with the oil tank breathing valve 2 is respectively provided on one side of each group of the oil tank breathing valves 2. Under normal circumstances, the electric control valve A15 is closed, and the exhaust gas treatment device 6, the negative pressure fan 7 and the electric control valve B16 are opened. After the breathing valve is opened, part of the exhausted gas is collected by the fixed exhaust gas collecting hood 4 and enters the exhaust gas collecting main pipe 3, and is finally processed by the exhaust gas treatment device 6, which can eliminate odor and reduce the chance of employees being exposed to harmful gases.

[0033] When a fire occurs unexpectedly at the location of the horizontal waste oil storage tank 1, the waste gas treatment device 6, the negative pressure fan 7 and the electric control valve B16 can be turned off, and the water supply pump 8 and the electric control valve A15 can be turned on. Water is supplied to the waste gas collection main pipe 3 through the water supply pump 8, and discharged through the water spray pipe 10 connected to the waste gas collection main pipe 3, so as to cool down the horizontal waste oil storage tank 1 and extinguish the fire.

[0034] Embodiment 2, as Figure 1-2As shown, the deodorizing device for a horizontal waste oil storage tank comprises a horizontally arranged waste gas collecting main pipe 3, one end of the waste gas collecting main pipe 3 is connected to a water supply pump 8, and the other end is connected to a negative pressure fan 7, an electric control valve A15 is installed on the pipeline between the waste gas collecting main pipe 3 and the water supply pump 8, an electric control valve B16 is installed at the connection between the waste gas collecting main pipe 3 and the negative pressure fan 7, the air outlet of the negative pressure fan 7 is connected to a waste gas treatment device 6, and a plurality of horizontal waste gas treatment devices 6 are arranged in parallel below the waste gas collecting main pipe 3. Oil storage tank 1, each group of horizontal waste oil storage tanks 1 has an oil tank breathing valve 2, and one side of each group of oil tank breathing valves 2 is respectively provided with a fixed exhaust gas collection cover 4 matched therewith, and the air outlet of the fixed exhaust gas collection cover 4 is connected with the exhaust gas collection main pipe 3 through the ventilation branch pipe 11, and the exhaust gas collection main pipe 3 is supported on the ground by the support frame 5 connected thereto, and a water spray pipe 10 is provided above the horizontal waste oil storage tank 1 along its length direction, and the water spray pipe 10 is connected with the exhaust gas collection main pipe 3.

[0035] Furthermore, a plurality of groups of nozzles are arranged along the length direction of the water spray pipe 10 .

[0036] Furthermore, one end of the water spray pipe 10 is blocked, and the other end is installed with a first one-way valve 13, the other end of the first one-way valve 13 is connected to the water outlet pipe 12 on the exhaust gas collecting main pipe 3, the water outlet pipe 12 is welded to the exhaust gas collecting main pipe 3, and is connected to the inner cavity of the exhaust gas collecting main pipe 3, and the flow direction of the first one-way valve 13 flows from the exhaust gas collecting main pipe 3 to the water spray pipe 10. When the negative pressure fan 7 is working, negative pressure is generated in the exhaust gas collecting main pipe 3, the second one-way valve 14 is turned on, and the first one-way valve 13 is not turned on, and the outside air will not enter the exhaust gas collecting main pipe 3 from the water spray pipe 10.

[0037] Furthermore, the water inlet of the water supply pump 8 is connected to a water source, and a second one-way valve 14 is installed on the ventilation branch pipe 11, and the flow direction of the second one-way valve 14 flows from the fixed exhaust gas collection cover 4 to the exhaust gas collection main pipe 3. When the water supply pump 8 is working, it delivers clean water to the exhaust gas collection main pipe 3, and a positive pressure is generated in the exhaust gas collection main pipe 3. The first one-way valve 13 is turned on, and the second one-way valve 14 is not turned on, and the liquid water can only be discharged from the water spray pipe 10.

[0038] Further, refer to Figure 3The pipe support frame 9 includes a vertical plate 9.1, which is arranged along the length direction of the horizontal waste oil storage tank 1 and is welded to the horizontal waste oil storage tank 1. A positioning groove 9.2 is provided in the middle of the vertical plate 9.1, and the positioning groove 9.2 matches the shape of the exhaust gas collecting main pipe 3. The two ends of the vertical plate 9.1 are respectively provided with a first pipe body connection seat 9.3 for fixing the water outlet pipe 12 and a second pipe body connection seat 9.4 for fixing the ventilation branch pipe 11. The structure is simple, and the exhaust gas collecting main pipe 3, the water spray pipe 10, and the fixed exhaust gas collecting cover 4 are simultaneously positioned and installed to meet the use needs.

[0039] Furthermore, the first pipe body connecting seat 9.3 includes a lower clamp A9.3.1 welded to the vertical plate 9.1, and the lower clamp A9.3.1 is connected to the upper clamp A9.3.3 by a connecting bolt A9.3.2. The lower clamp A9.3.1 and the upper clamp A9.3.3 enclose an inner cavity for fixing the water spray pipe 10.

[0040] Furthermore, the second tube body connecting seat 9.4 includes a lower clamp B welded to the vertical plate 9.1, the lower clamp B is connected to the upper clamp B via a connecting bolt B, and the lower clamp B and the upper clamp B enclose an inner cavity for fixing the ventilation branch pipe 11.

[0041] Furthermore, reinforcing ribs 17 are vertically welded on both sides of the vertical plate 9.1, and the upper and lower ends of the reinforcing ribs 17 are respectively welded to the lower clamp A and the horizontal waste oil storage tank 1 to achieve a reinforcement effect.

[0042] Furthermore, the length of the water spray pipe 10 is 1 / 2-4 / 5 of the length of the horizontal waste oil storage tank 1 .

[0043] Furthermore, the exhaust gas treatment device 6 is an electrostatic oil fume purifier, the exhaust gas collecting main pipe 3 passes through the isolation wall 18, and the horizontal waste oil storage tank 1 and the exhaust gas treatment device 6 are respectively located on both sides of the isolation wall 18.

[0044] Embodiment 3 is different from Embodiment 2 in that the exhaust gas treatment device 6 is a VOCs catalytic combustion purification device.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

[0046] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A deodorization device for a horizontal waste oil storage tank, comprising a horizontally arranged waste gas collecting main pipe, one end of which is connected to a water supply pump, and the other end is connected to a negative pressure fan, an electric control valve A is installed on the pipeline between the waste gas collecting main pipe and the water supply pump, an electric control valve B is installed at the connection between the waste gas collecting main pipe and the negative pressure fan, and the air outlet of the negative pressure fan is connected to a waste gas treatment device, characterized in that: A plurality of groups of horizontal waste oil storage tanks are arranged in parallel below the exhaust gas collecting main pipe, each group of the horizontal waste oil storage tanks is provided with an oil tank breathing valve, and a fixed exhaust gas collecting hood cooperating with the oil tank breathing valve is provided on one side of each group of the oil tank breathing valves, an air outlet of the fixed exhaust gas collecting hood is communicated with the exhaust gas collecting main pipe through a ventilation branch pipe, the exhaust gas collecting main pipe is supported on the ground by a supporting frame connected thereto, a water spray pipe is provided above the horizontal waste oil storage tank along its length direction, and the water spray pipe is communicated with the exhaust gas collecting main pipe.

2. The deodorizing device for a horizontal waste oil storage tank according to claim 1, characterized in that: A plurality of nozzle groups are arranged along the length direction of the water spray pipe.

3. The deodorizing device for a horizontal waste oil storage tank according to claim 2, characterized in that: One end of the water spray pipe is blocked, and a first one-way valve is installed at the other end. The other end of the first one-way valve is connected to the water outlet pipe on the exhaust gas collecting main pipe. The water outlet pipe is welded to the exhaust gas collecting main pipe and is connected to the inner cavity of the exhaust gas collecting main pipe. The flow direction of the first one-way valve is from the exhaust gas collecting main pipe to the water spray pipe.

4. The deodorizing device for a horizontal waste oil storage tank according to claim 3, characterized in that: The water inlet of the water supply pump is connected to a water source, and a second one-way valve is installed on the ventilation branch pipe. The flow direction of the second one-way valve flows from the fixed exhaust gas collection cover to the exhaust gas collection main pipe.

5. The deodorizing device for a horizontal waste oil storage tank according to claim 4, characterized in that: The pipeline support frame includes a vertical plate, which is arranged along the length direction of the horizontal waste oil storage tank and is welded to the horizontal waste oil storage tank. A positioning groove is opened in the middle of the vertical plate, and the positioning groove matches the shape of the exhaust gas collection main pipe. The two ends of the vertical plate are respectively provided with a first pipe body connecting seat for fixing the water outlet pipe and a second pipe body connecting seat for fixing the ventilation branch pipe.

6. The deodorizing device for a horizontal waste oil storage tank according to claim 5, characterized in that: The second pipe body connecting seat includes a lower clamp B welded to the vertical plate, the lower clamp B is connected to the upper clamp B via a connecting bolt B, and the lower clamp B and the upper clamp B enclose an inner cavity for fixing the ventilation branch pipe.

7. The deodorizing device for a horizontal waste oil storage tank according to claim 6, characterized in that: Reinforcing ribs are vertically welded on both sides of the vertical plate, and upper and lower ends of the reinforcing ribs are respectively welded to the lower clamp A and the horizontal waste oil storage tank.

8. The deodorizing device for a horizontal waste oil storage tank according to claim 7, characterized in that: The length of the water spray pipe is 1 / 2-4 / 5 of the length of the horizontal waste oil storage tank.

9. The deodorizing device for a horizontal waste oil storage tank according to claim 8, characterized in that: The waste gas treatment device is an electrostatic oil fume purifier, the waste gas collecting main pipe runs through the isolation wall, and the horizontal waste oil storage tank and the waste gas treatment device are respectively located on both sides of the isolation wall.

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