Methanation gas-liquid separation tank

Abstract

The utility model provides a methanation gas-liquid separation tank. The methanation gas-liquid separation tank comprises: a separation tank body; the base is fixedly mounted at the bottom of the separation tank body; the gas inlet pipe is arranged on the separation tank body; the condenser is arranged on the inner wall of the separation tank body; the cooling-water machine is fixedly mounted on one side of the separation tank body and is communicated with the condenser; the membrane separation mechanism is arranged at the top of the separation tank body and is used for further carrying out gas-liquid separation on methane; and the spraying adsorption mechanism is mounted on the base and is used for adsorbing harmful substances in exhausted gas. The methanation gas-liquid separation tank provided by the utility model has the advantages that the gas-liquid separation effect is better, the function of adsorbing harmful substances in exhausted gas is realized, and the practicability is stronger.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of methanation gas-liquid separation, especially to a methanation gas-liquid separation tank. BACKGROUND

[0002] Methanation gas-liquid separation is an important link in chemical industry, which is used for separating gas mixture containing methane from liquid to ensure the smooth progress of subsequent process.

[0003] The existing methanation gas-liquid separation tank usually only adopts condensation separation method to separate methane, which leads to poor separation effect and cannot adsorb harmful substances in exhaust gas.

[0004] Therefore, it is necessary to provide a methanation gas-liquid separation tank to solve the above technical problems. UTILITY MODEL CONTENT

[0005] To solve the technical problems of poor gas-liquid separation effect and no adsorption treatment function of harmful substances in exhaust gas of the existing methanation gas-liquid separation tank, the utility model provides a methanation gas-liquid separation tank.

[0006] The methanation gas-liquid separation tank provided by the utility model comprises a separation tank body, a base fixedly installed at the bottom of the separation tank body, an air inlet pipe arranged on the separation tank body, a condenser installed on the inner wall of the separation tank body, a water chiller fixedly installed on one side of the separation tank body and communicated with the condenser, a membrane separation mechanism arranged on the top of the separation tank body, the membrane separation mechanism being used for further separating methane, and a spray adsorption mechanism installed on the base, the spray adsorption mechanism being used for adsorbing harmful substances in exhaust gas.

[0007] Preferably, the membrane separation mechanism comprises a circular groove opened on the inner wall of the top of the separation tank body, a membrane separator fixedly installed on the inner wall of the circular groove, and a gas guide pipe arranged on the base and communicated with the circular groove.

[0008] Preferably, the spray adsorption mechanism comprises a pipe row fixedly installed on the inner wall of the top of the base, a plurality of spray heads arranged on the pipe row, a liquid guide pump arranged on one side of the base, and a liquid guide pipe arranged on the liquid outlet end of the liquid guide pump and communicated with the pipe row.

[0009] Preferably, an air outlet is opened on the inner wall of one side of the base, a demister is arranged on the air outlet, an air outlet pipe is arranged on one side of the base and communicated with the air outlet.

[0010] Preferably, a liquid injection port is opened on the base, and a sealing cover is threadedly installed on the liquid injection port.

[0011] Preferably, the separation tank body is provided with a liquid taking pipe, and the liquid taking pipe is provided with a liquid taking valve.

[0012] Preferably, the base is provided with a liquid discharging pipe, and the liquid discharging pipe is provided with a liquid discharging valve.

[0013] Compared with the related art, the methane gas-liquid separation tank has the following beneficial effects:

[0014] The methane gas-liquid separation tank comprises a separation tank body, a condenser, a membrane separation mechanism, a base, a cold water machine, a plurality of circular grooves, a plurality of membrane separators, a plurality of air guide pipes, a plurality of tube rows, a plurality of spray heads, a liquid guide pump, a liquid guide pipe, an air outlet, a demister, an exhaust pipe, a liquid injection port, a sealing cover, a liquid taking pipe and a liquid taking valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A preferred embodiment of the methane gas-liquid separation tank is shown in the structure schematic view.

[0016] Figure 2 A three-dimensional assembly structure schematic view of the separation tank body and the cold water machine is shown in the figure. Figure 1 A three-dimensional assembly structure schematic view of the separation tank body and the cold water machine is shown in the figure.

[0017] Figure 3 A three-dimensional assembly structure schematic view of the separation tank body and the cold water machine is shown in the figure. Figure 1 An enlarged schematic view of part A shown in the figure is shown in the figure.

[0018] Reference signs in the figure: 1, separation tank body; 2, base; 3, air inlet pipe; 4, condenser; 5, cold water machine; 6, circular groove; 7, membrane separator; 8, air guide pipe; 9, tube row; 10, spray head; 11, liquid guide pump; 12, liquid guide pipe; 13, air outlet; 14, demister; 15, exhaust pipe; 16, liquid injection port; 17, sealing cover; 18, liquid taking pipe; 19, liquid taking valve; 20, liquid discharging pipe; 21, liquid discharging valve. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings and embodiments.

[0020] Please refer to Figures 1-3 , wherein Figure 1 The structure diagram of a preferred embodiment of the methane gas-liquid separation tank provided by the utility model is shown in the figure; Figure 2 The three-dimensional assembly structure diagram of the separation tank body and the water chiller in the middle is shown in the figure; Figure 1 The enlarged schematic diagram of part A shown in the figure is shown in the figure. The methane gas-liquid separation tank comprises a separation tank body 1, a base 2 fixedly installed at the bottom of the separation tank body 1, an air inlet pipe 3 arranged on the separation tank body 1, a condenser 4 installed on the inner wall of the separation tank body 1, a water chiller 5 fixedly installed at one side of the separation tank body 1 and in communication with the condenser 4, a membrane separation mechanism arranged at the top of the separation tank body 1, the membrane separation mechanism being used for further gas-liquid separation of methane, a spray adsorption mechanism installed on the base 2, the spray adsorption mechanism being used for adsorption treatment of harmful substances in exhaust gas, the methane gas-liquid separation of methanation can be carried out through the separation tank body 1 and in cooperation with the condenser 4 and the membrane separation mechanism, the cooling liquid in the condenser 4 can be cooled through the water chiller 5, so that the condenser 4 is in a low-temperature state, the methane gas enters the separation tank body 1 along the air inlet pipe 3, is condensed into liquid and drops on the inner wall of the bottom of the separation tank body 1 when passing through the condenser 4, and the methane and other gases are separated in a membrane separation manner through the membrane separation mechanism. Figure 3 Figure 1 The membrane separation mechanism comprises a circular groove 6 opened on the inner wall of the top of the separation tank body 1, a membrane separator 7 fixedly installed on the inner wall of the circular groove 6, and a gas guide pipe 8 arranged on the base 2 and in communication with the circular groove 6, the methane and other gases are separated in a membrane separation manner through the membrane separator 7, and the separated gas enters the base 2 along the gas guide pipe 8.

[0021] The spray adsorption mechanism comprises a pipe row 9 fixedly installed on the inner wall of the top of the base 2, a plurality of spray heads 10 arranged on the pipe row 9, a liquid guide pump 11 arranged at one side of the base 2, and a liquid guide pipe 12 arranged at the liquid outlet end of the liquid guide pump 11 and in communication with the pipe row 9, the adsorption liquid in the base 2 is pumped out through the liquid guide pipe 12 and injected into the pipe row 9 through the liquid guide pump 11, the adsorption liquid is sprayed into the gas entering the base 2 through the plurality of spray heads 10, so that the harmful substances in the gas are adsorbed and treated.

[0022] The spray adsorption mechanism comprises a pipe row 9 fixedly installed on the inner wall of the top of the base 2, a plurality of spray heads 10 arranged on the pipe row 9, a liquid guide pump 11 arranged at one side of the base 2, and a liquid guide pipe 12 arranged at the liquid outlet end of the liquid guide pump 11 and in communication with the pipe row 9, the adsorption liquid in the base 2 is pumped out through the liquid guide pipe 12 and injected into the pipe row 9 through the liquid guide pump 11, the adsorption liquid is sprayed into the gas entering the base 2 through the plurality of spray heads 10, so that the harmful substances in the gas are adsorbed and treated.

[0023] ​An exhaust port 13 is formed in one side inner wall of the base 2, a demister 14 is arranged on the exhaust port 13, an exhaust pipe 15 is arranged on one side of the base 2, the exhaust pipe 15 is communicated with the exhaust port 13, the discharged gas is treated by demisting through the demister 14, and then the treated gas is discharged through the exhaust pipe 15.

[0024] A liquid injection port 16 is formed in the base 2, a sealing cover 17 is threadedly mounted on the liquid injection port 16, the adsorption liquid can be injected into the base 2 through the liquid injection port 16, and the liquid injection port 16 can be closed through the sealing cover 17.

[0025] A liquid taking pipe 18 is arranged on the separation tank body 1, a liquid taking valve 19 is arranged on the liquid taking pipe 18, and the separated liquid methane in the separation tank body 1 can be taken through the liquid taking pipe 18 and the liquid taking valve 19.

[0026] A liquid discharging pipe 20 is arranged on the base 2, a liquid discharging valve 21 is arranged on the liquid discharging pipe 20, and the adsorption liquid in the base 2 can be discharged through the liquid discharging pipe 20 and the liquid discharging valve 21.

[0027] The working principle of the methane gas-liquid separation tank is as follows:

[0028] The cooling liquid in the condenser 4 can be cooled through the water chiller 5, so that the condenser 4 is in a low-temperature state, the methane gas enters the separation tank body 1 along the gas inlet pipe 3, is condensed into a liquid when passing through the condenser 4 and drops on the bottom inner wall of the separation tank body 1, the methane and other gases are separated in a membrane separation mode through the membrane separator 7, the separated gas enters the base 2 along the gas guide pipe 8, the liquid guide pump 11 is started, the adsorption liquid in the base 2 is pumped out and injected into the pipe row 9 through the liquid guide pipe 12, the adsorption liquid is sprayed into the gas entering the base 2 through the plurality of spray heads 10, so that the harmful substances in the gas are adsorbed and treated, the discharged gas is treated by demisting through the demister 14, and then the treated gas is discharged through the exhaust pipe 15.

[0029] The separated liquid methane in the separation tank body 1 can be taken through the liquid taking pipe 18 and the liquid taking valve 19, the adsorption liquid in the base 2 can be discharged through the liquid discharging pipe 20 and the liquid discharging valve 21, the adsorption liquid can be injected into the base 2 through the liquid injection port 16, and the liquid injection port 16 can be closed through the sealing cover 17.

[0030] Compared with the related art, the methane gas-liquid separation tank has the following beneficial effects:

[0031] The utility model provides a kind of methanation gas-liquid separation tank, by separating tank body 1 and cooperate condenser 4 and membrane separation mechanism can carry out methanation gas-liquid separation, by water chiller 5 can be cooled to the coolant in condenser 4, to make condenser 4 be in low temperature state, methane gas enters separating tank body 1 in along air inlet pipe 3, condense as liquid and drop on the bottom inner wall of separating tank body 1 when passing through condenser 4, methane and other gas are separated by membrane separation mechanism with the mode of membrane separation, methane and other gas are separated by membrane separator 7 with the mode of membrane separation, after separation Gas enters base 2 along gas guide pipe 8, guide liquid pump 11 is extracted from the adsorption liquid in base 2 and is injected into pipe row 9 by guide liquid pipe 12, adsorption liquid is sprayed into the gas in base 2 by multiple spray heads 10, to carry out adsorption treatment to harmful substance in gas, the gas is defrosted by demister 14, and then the gas after processing is discharged by exhaust pipe 15, adsorption liquid can be injected into base 2 by liquid injection port 16, liquid injection port 16 can be closed by sealing cover 17, separated liquid methane in separating tank body 1 can be taken by liquid taking pipe 18 and liquid taking valve 19, adsorption liquid in base 2 can be discharged by liquid discharge pipe 20 and liquid discharge valve 21.

[0032] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A methanation gas-liquid separation drum characterized by, The utility model relates to a methane separation and purification device, which comprises the following parts: a separation tank body; a base fixedly installed at the bottom of the separation tank body; an air inlet pipe arranged on the separation tank body; a condenser installed on the inner wall of the separation tank body; a water chiller fixedly installed on one side of the separation tank body and connected with the condenser; a membrane separation mechanism arranged on the top of the separation tank body, which is used for further gas-liquid separation of methane; a spray adsorption mechanism installed on the base, which is used for adsorption treatment of harmful substances in exhaust gas.

2. The methanator gas-liquid separation drum of claim 1, wherein, The membrane separation mechanism comprises: a circular groove opened on the inner wall of the top of the separation tank body; a membrane separator fixedly installed on the inner wall of the circular groove; a gas guide pipe arranged on the base and connected with the circular groove.

3. The methanator gas-liquid separation drum of claim 1, wherein, The spray adsorption mechanism comprises: a pipe row fixedly installed on the inner wall of the top of the base; a plurality of spray heads arranged on the pipe row; a liquid guide pump arranged on one side of the base; a liquid guide pipe arranged on the liquid outlet end of the liquid guide pump and connected with the pipe row.

4. The methanator gas-liquid separation drum of claim 1, wherein, An exhaust port is opened on the inner wall of one side of the base, a demister is arranged on the exhaust port, an exhaust pipe is arranged on one side of the base, and the exhaust pipe is connected with the exhaust port.

5. The methanator gas-liquid separation drum of claim 1 wherein, A liquid injection port is opened on the base, and a sealing cover is threadedly installed on the liquid injection port.

6. The methanator gas-liquid separation drum of claim 1, wherein, A liquid taking pipe is arranged on the separation tank body, and a liquid taking valve is arranged on the liquid taking pipe.

7. The methanator gas-liquid separation drum of claim 1, wherein, A liquid discharging pipe is arranged on the base, and a liquid discharging valve is arranged on the liquid discharging pipe.

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