Environment-friendly petrochemical tail gas separation treatment equipment

Abstract

The utility model relates to the technical field of tail gas treatment, and particularly discloses environment-friendly petrochemical tail gas separation treatment equipment which comprises exhaust pipelines and adsorbent chambers arranged between the exhaust pipelines, flange plates are arranged on the exhaust pipelines, the number of the adsorbent chambers is at least two, and the adsorbent chambers are arranged in a sliding mode in the left-right direction of the flange plates. A sealing piece sealed with the flange plate is arranged in each adsorbent chamber, a tail gas detection device used for detecting the concentration of solid particles in tail gas is arranged at the position, close to the gas outlet end, of the exhaust pipeline, a driving device used for driving the adsorbent chambers to move left and right is further arranged on the exhaust pipeline, and adsorbent plates are detachably arranged in the adsorbent chambers. The adsorbent chamber is driven by the driving device to slide in the left-right direction, when the adsorbent chamber is replaced, the exhaust pipeline can not stop exhausting, the sealing performance between the adsorbent chamber and the flange plate is kept by arranging the sealing piece, and gas leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment technical field, concretely relates to a kind of separation and treatment equipment of environmental protection type petrochemical tail gas. BACKGROUND

[0002] Petroleum chemical industry as the pillar industry of economic development in our country, the role in our country modernization construction is very important.But, petroleum chemical industry produces a large amount of harmful gas, dust particulate matter and other impurities in production process, and this is also one of important industrial tail gas pollution sources in our country.With the continuous adjustment of national environmental protection control standard, the requirement of petroleum chemical tail gas emission is higher and higher.Harmful gas, dust particulate matter and other impurities generated in petroleum chemical production process need to be treated.

[0003] Such as the Chinese patent document with the announcement number CN221846593U, discloses a solid-gas separation adsorption tower tail gas treatment device.Provide a kind of solid-gas separation adsorption tower tail gas treatment device without frequently replacing activated carbon.A kind of solid-gas separation adsorption tower tail gas treatment device, including base, air inlet pipe, detector, adsorption chamber and sealing door etc.;Base left side top is equipped with air inlet pipe, air inlet pipe is connected with adsorption chamber, adsorption chamber right side is equipped with detector, and adsorption chamber front side is connected with sealing door.The utility model discloses through the activated carbon placing frame of being set, activated carbon will adsorb some substances in tail gas, tail gas passes through the three adsorption chambers of being set on air inlet pipe in turn, uses detector and detects the content of toxic or harmful substances in tail gas, when passing through the third adsorption chamber, tail gas has been adsorbed at this time, by setting multiple adsorption chambers and multiple activated carbon placing frames, the effect that activated carbon does not need to be frequently replaced in tail gas adsorption process is achieved.

[0004] In the above patent document, by setting multiple adsorption chambers to adsorb tail gas to avoid the effect of frequently replacing adsorbent, but when adsorbing tail gas, the first adsorption chamber in contact with tail gas will be saturated usually faster, and the subsequent adsorption chamber will slow down the speed of adsorption saturation along with the order of contact with tail gas, and the replacement speed of the above technical solution will slow down relative to an adsorption chamber, but the tail gas discharge end needs to be stopped when replacing to replace the adsorbent in the tail gas treatment device. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of separation and treatment equipment of environmental protection type petrochemical tail gas, to solve the problem of replacing adsorbent in tail gas treatment device in prior art that tail gas treatment device needs to stop discharging tail gas.

[0006] The utility model discloses a kind of environmentally friendly petrochemical tail gas separation processing equipment, including exhaust duct and being arranged between exhaust duct adsorbent chamber, flange is provided on the exhaust duct, adsorbent chamber is provided with at least two and is slidably arranged along the left and right direction of flange, sealing element is provided in each adsorbent chamber and is sealed with flange, exhaust duct is equipped with tail gas detection device for detecting the concentration of solid particles in tail gas, exhaust duct is also equipped with driving device for driving adsorbent chamber left and right movement, adsorbent disc is detachably provided in adsorbent chamber.

[0007] The utility model discloses beneficial effect is: can replace adsorbent chamber under the condition that exhaust duct does not stop exhaust, guarantee gas not to leak in replacement process simultaneously.

[0008] Preferably, the sealing element is a gasket mounted on the flange, and the gasket is sealingly connected between the adsorbent chamber.

[0009] Preferably, the driving device includes a driving motor, a rack, and a gear, the driving motor is mounted on the exhaust duct, the rack is mounted on the adsorbent chamber, and the gear is mounted on the output end of the driving motor and engaged with the rack.

[0010] Preferably, the tail gas detection device is a KY-B type probe type dust detector.

[0011] Preferably, the adsorbent disc is fixed in the adsorbent chamber by screws.

[0012] Preferably, the adsorbent in the adsorbent disc includes silica, gravel, activated carbon, metal shavings, and ceramic particles.

[0013] Preferably, three adsorbent chambers are provided on the adsorbent chamber and fixedly connected.

[0014] The utility model discloses beneficial effect is:

[0015] 1. By setting multiple adsorbent chambers, when the adsorbent in one of the adsorbent chambers is saturated, the driving device drives the adsorbent chamber to slide in the left and right directions, so that the saturated adsorbent chamber slides to one side, and the other new adsorbent chamber is in working condition. During replacement, the sealing element maintains the sealing between the adsorbent chamber and the flange to prevent gas leakage.

[0016] 2. After replacement is completed, the adsorbent disc in the saturated adsorbent chamber can be replaced with a new adsorbent. The exhaust duct can continue to exhaust during replacement of the adsorbent chamber. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a three-dimensional structure schematic view.

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another perspective.

[0019] Figure 3 This is a schematic diagram of the structure of the exhaust pipe and the exhaust gas detection device of the utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the flange and the sealing member of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the utility model from the front.

[0022] Figure numerals: 1. exhaust duct; 2. adsorbent chamber; 3. flange; 4. seal; 5. exhaust gas detection device; 6. driving device; 61. driving motor; 62. rack; 63. gear; 7. adsorbent disc. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0024] like Figures 1-5 As shown, in the first embodiment of the present invention, an environmentally friendly petrochemical exhaust gas separation and treatment equipment includes an exhaust pipe 1 and an adsorbent chamber 2 arranged between the exhaust pipes 1, the exhaust pipe 1 is provided with a flange 3, the adsorbent chamber 2 is provided with at least two and slidingly arranged along the left and right directions of the flange 3, each of the adsorbent chambers 2 is provided with a seal 4 sealed with the flange 3, the exhaust pipe 1 is provided with an exhaust gas detection device 5 for detecting the concentration of solid particles in the exhaust gas near the outlet end, the exhaust pipe 1 is also provided with a driving device 6 for driving the adsorbent chamber 2 to move left and right, and a detachable adsorbent disc 7 is provided in the adsorbent chamber 2.

[0025] When treating the exhaust gas, the exhaust gas is discharged through the exhaust pipe 1 and the exhaust gas is treated by setting up an adsorbent chamber 2. When the exhaust gas detection device 5 detects that the concentration of the exhaust gas after passing through the adsorbent chamber 2 is high, it proves that the adsorbent in the adsorbent chamber 2 is saturated. At this time, the adsorbent chamber 2 is driven to slide to one side by the driving device 6, and the adsorbent chamber 2 that has been saturated with adsorption is moved out from between the flanges 3, and another new adsorbent chamber 2 is moved between the flanges 3 for adsorption. During the replacement of the adsorbent chamber 2, the exhaust pipe 1 does not need to stop exhausting.

[0026] In the embodiment of the utility model, the sealing piece 4 is a sealing gasket installed on the flange plate 3, and the adsorbent chamber 2 is always sealed with the sealing piece 4 during sliding to avoid gas leakage when the adsorbent chamber 2 is replaced.

[0027] The driving device 6 comprises a driving motor 61, a rack 62 and a gear 63, the driving motor 61 is installed on the exhaust duct 1, the rack 62 is installed on the adsorbent chamber 2, and the gear 63 is installed on the output end of the driving motor 61 and is engaged with the rack 62; when the exhaust detection device 5 detects that the concentration of the exhaust gas after passing through the adsorbent chamber 2 is higher than the rated value, the gear 63 is driven to rotate by the driving motor 61, the rack 62 is driven to slide in the left-right direction by the rotation of the gear 63, and the adsorbent chamber 2 is driven to slide in the left-right direction to complete the replacement of the adsorbent chamber 2.

[0028] The exhaust detection device 5 is a KY-B type probe type dust detector; when the detector is installed, the probe of the detector is inserted into the exhaust duct 1 for detection.

[0029] The adsorbent disc 7 is fixed in the adsorbent chamber 2 by screws; when the adsorbent in the adsorbent chamber 2 is replaced, the screws are disassembled, and a new adsorbent disc 7 is replaced, and the adsorbent in the adsorbent disc 7 comprises silica, gravel, activated carbon, metal chips and ceramsite.

[0030] In the second embodiment of the utility model, the driving device 6 is an electric telescopic rod (not shown in the figure), and the adsorbent chamber 2 is driven to slide in the left-right direction by the extension and retraction of the electric telescopic rod.

[0031] The working principle of the utility model is as follows:

[0032] By arranging a plurality of adsorbent chambers 2, when the adsorbent in one of the adsorbent chambers 2 is saturated, the adsorbent chamber 2 is driven to slide in the left-right direction by the driving device 6, so that the saturated adsorbent chamber 2 slides to one side, and another new adsorbent chamber 2 is in working condition; in the replacement process, the sealing piece 4 is arranged to maintain the sealing property between the adsorbent chamber 2 and the flange plate 3 to avoid gas leakage; after the replacement is completed, the adsorbent disc 7 in the saturated adsorbent chamber 2 can be replaced to replace new adsorbent; and the exhaust duct 1 can not stop exhausting when the adsorbent chamber 2 is replaced.

[0033] Although the embodiments of the utility model have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.

Claims

1. An environmentally friendly petrochemical tail gas separation and treatment device, comprising: The exhaust pipeline (1) and the adsorbent chamber (2) arranged between the exhaust pipeline (1) are characterized in that, The flange (3) is arranged on the exhaust pipeline (1), the adsorbent chamber (2) is arranged in at least two and slides along the left and right directions of the flange (3), the sealing element (4) is arranged in each adsorbent chamber (2) and is sealed with the flange (3), the exhaust detection device (5) for detecting the solid particle concentration in the tail gas is arranged on the exhaust pipeline (1) near the gas outlet end, the driving device (6) for driving the adsorbent chamber (2) to move left and right is arranged on the exhaust pipeline (1), and the adsorbent disc (7) is detachably arranged in the adsorbent chamber (2).

2. The environment-friendly petrochemical tail gas separation and treatment equipment according to claim 1, characterized in that, The sealing element (4) is a sealing gasket mounted on the flange (3), and the sealing gasket is sealingly connected with the adsorbent chamber (2).

3. The environment-friendly petrochemical tail gas separation and treatment device according to claim 1, characterized in that, The driving device (6) comprises a driving motor (61), a rack (62) and a gear (63), the driving motor (61) is mounted on the exhaust pipeline (1), the rack (62) is mounted on the adsorbent chamber (2), and the gear (63) is mounted on the output end of the driving motor (61) and is engaged with the rack (62).

4. The environment-friendly petrochemical tail gas separation and treatment equipment according to claim 1, characterized in that, The exhaust detection device (5) is a KY-B type probe type dust detector.

5. The environment-friendly petrochemical tail gas separation and treatment equipment according to claim 1, characterized in that, The adsorbent disc (7) is fixed in the adsorbent chamber (2) by screws.

6. The environment-friendly petrochemical tail gas separation and treatment equipment according to claim 5, characterized in that, The adsorbent in the adsorbent disc (7) comprises silica, gravel, activated carbon, metal chips and ceramic particles.

7. The environment-friendly petrochemical tail gas separation and treatment device according to any one of claims 1-6, characterized in that, Three adsorbent chambers (2) are arranged and fixedly connected.

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