CN210635724U - Device for preparing high-purity hydrogen and carbon monoxide - Google Patents

Abstract

The utility model discloses a device for preparing high-purity hydrogen and carbon monoxide, which comprises a device shell, four corners of the lower end surface of the device shell are fixedly provided with supporting legs, the upper end of the device shell is fixedly provided with an air inlet pipe, an inner cavity of the device shell is sequentially and fixedly provided with a gas-liquid separator, a heating box body, a membrane separator and a molecular sieve from top to bottom through a fixed rod, an inner cavity of the heating box body is fixedly provided with a heat preservation layer, the inner end wall of the heat preservation layer is fixedly provided with an explosion-proof layer, the left side and the right side of the inner cavity bottom of the explosion-proof layer are respectively and fixedly provided with an air pressure sensor and a temperature sensor, the left end wall and the right end wall of the heating; the synthetic gas flowing through the inner cavity of the heating box can be heated and kept between 60 degrees and 120 degrees, and the working effect is improved.

Description

Device for preparing high-purity hydrogen and carbon monoxide

Technical Field

The utility model relates to a technical field is prepared to hydrogen and carbon monoxide, specifically is a prepare device of high-purity hydrogen and carbon monoxide.

Background

Ethanol is an important chemical raw material, has wide application range, and can be used for preparing acetic acid, beverages, essence, dye, fuel and the like. Ethanol with the volume fraction of 70-75 percent is also commonly used as a disinfectant in medical treatment, and the like, and has wide application in national defense industry, medical treatment and health, organic synthesis, food industry, industrial and agricultural production.

The main reaction of synthesis gas to synthesize ethanol is 2CO +4H2 → CH3CH2OH + H2O, and the synthesis conditions are generally as follows: the pressure is 5-10 MPa, and the temperature is 250-300 ℃. In the synthesis process, the purity requirement on the raw material gas is very strict, the temperature requirement on the gas is strict in the preparation of the gas, the existing preparation device can heat the gas, but the inflow speed of the gas is different, the gas pressure in the heating cavity is also different, the heating efficiency is different, the temperature of the prepared gas cannot be well controlled, and the efficiency is low. To this end, an apparatus for producing high purity hydrogen and carbon monoxide is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prepare device of high-purity hydrogen and carbon monoxide to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for preparing high-purity hydrogen and carbon monoxide comprises a device shell, wherein supporting legs are fixedly mounted at four corners of the lower end face of the device shell, an air inlet pipe is fixedly mounted at the upper end of the device shell, a gas-liquid separator, a heating box body, a membrane separator and a molecular sieve are fixedly mounted in an inner cavity of the device shell from top to bottom in sequence through fixing rods, a heat preservation layer is fixedly mounted in the inner cavity of the heating box body, an anti-explosion layer is fixedly mounted at the inner end wall of the heat preservation layer, an air pressure sensor and a temperature sensor are fixedly mounted at the left side and the right side of the bottom of the inner cavity of the anti-explosion layer respectively, heaters are fixedly mounted at the left end wall and the right end wall of the heating box body, a heating pipe is fixedly mounted at the inner end of each heater, a sealing sleeve, an intelligent control device is fixedly arranged on the inner cavity wall of the device shell.

Preferably, the gas-liquid separator, the heating box body and the membrane separator are communicated through a first communication pipeline.

Preferably, the lower end of the membrane separator is communicated with the molecular sieve through a second communication pipeline.

Preferably, the intelligent control device is electrically connected in parallel with the air pressure sensor, the temperature sensor and the heater.

Preferably, the outlet pipe extends through the lower end face of the device housing.

Compared with the prior art, the beneficial effects of the utility model are that: the device for preparing high-purity hydrogen and carbon monoxide is provided with a device shell, an air inlet pipe, a fixed rod, a gas-liquid separator, a first communicating pipeline, a heating box body, a membrane separator, an intelligent control device, a second communicating pipeline, a third communicating pipeline, a supporting leg, a molecular sieve and an outflow pipe structure, so that hydrogen and carbon monoxide can be stably and efficiently extracted from synthesis gas, and the preparation purity is high; through being equipped with heat preservation, explosion-proof layer, heater, heating pipe, seal cover, baroceptor, temperature sensor and intelligent control device structure, can keep the synthetic gas heating that the heating box inner chamber flows between 60 to 120, improve the working effect.

Drawings

Fig. 1 is a sectional view of the present invention;

fig. 2 is a cross-sectional view of the heating box of the present invention.

In the figure: the device comprises a device shell 1, an air inlet pipe 2, a fixing rod 3, a gas-liquid separator 4, a first communication pipeline 5, a heating box 6, a heat preservation layer 61, an explosion-proof layer 62, a heater 63, a heating pipe 64, a sealing sleeve 65, an air pressure sensor 66, a temperature sensor 67, a membrane separator 7, an intelligent control device 8, a second communication pipeline 9, a third communication pipeline 10, supporting legs 11, a molecular sieve 12 and an outflow pipe 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the device for preparing high-purity hydrogen and carbon monoxide comprises a device shell 1, wherein the device shell 1 is a stainless steel device shell 1, and the device is protected and fixed through the device shell 1. The device is characterized in that supporting legs 11 are fixedly mounted at four corners of the lower end face of the device shell 1, the supporting legs 11 are fixed on the lower end face of the device shell 1 through welding, the device shell 1 is supported through the supporting legs 11, and rubber shock pads are glued to the lower end faces of the supporting legs 11. The device is characterized in that an air inlet pipe 2 is fixedly mounted at the upper end of a shell 1 of the device, the lower end face of the air inlet pipe 2 is connected with an air-liquid separator 4, the air inlet pipe 2 penetrates through the upper end of the shell 1 of the device, a connecting flange is fixedly mounted at the upper end of the side wall of the air inlet pipe 2, the air inlet pipe 2 is connected with a pipeline through the flange, and miscellaneous gas and synthetic gas flow into the pipeline have hydrogen content of 40-80% and carbon monoxide content of 20-40%. Separating and filtering the miscellaneous gas. The device is characterized in that the inner cavity of the shell 1 is sequentially and fixedly provided with a gas-liquid separator 4, a heating box body 6, a membrane separator 7 and a molecular sieve 12 from top to bottom through a fixing rod 3, the gas-liquid separator 4, the heating box body 6 and the membrane separator 7 are communicated through a first communicating pipeline 5, the gas-liquid separator 4 is LNQ-05, gas-liquid separation is realized through the gas-liquid separator 4, impurities after separation are filtered, and clean gas is input into the inner cavity of the heating box body 6. The heating box 6 is a stainless steel heating box 6, and the membrane separator 7 is a Nanjing Hopkinson super pure hydrogen purifier. The lower end of the membrane separator 7 is communicated with a molecular sieve 12 through a second communication pipeline 9, and the membrane separator 7 is used for membrane separation. The membrane separator 7 divides the separated object into two parts to flow out from the third communicating pipe 10 and the second communicating pipe 9, respectively. The molecular sieve 12 is a carbon molecular sieve. The heat preservation layer 61 is fixedly mounted in the inner cavity of the heating box body 6, the heat preservation layer 61 is a ceramic heat preservation layer 61, the heat preservation layer 61 is used for preserving heat of the inner cavity of the heating box body 6, and the heat preservation effect of the heating box body 6 is improved. The inner end wall fixed mounting of heat preservation 61 has explosion-proof layer 62, explosion-proof layer 62 is aluminum alloy explosion-proof layer 62, carries out explosion-proof to the inner chamber of heating box 6 through explosion-proof layer 62. An air pressure sensor 66 and a temperature sensor 67 are fixedly mounted on the left side and the right side of the bottom of the inner cavity of the explosion-proof layer 62 respectively, and the air pressure sensor 66 is a Mike MIK-P300 pressure transmitter. The air pressure in the inner cavity of the heating box body 6 is measured through the air pressure sensor 66, the air pressure in the inner cavity of the heating box body 6 is different, the temperature heating speed is different, and the temperature sensor 67 is a Mike MIK-AL industrial on-line infrared thermometer. The temperature of the inner cavity of the heating box body 6 is measured through the temperature sensor 67, then the air pressure sensor 66 and the temperature sensor 67 transmit data to the intelligent control device 8, and the intelligent control device 8 controls the power of the heater 63 according to the data transmitted by the air pressure sensor 66 and the temperature sensor 67, and controls the temperature of the gas in the inner cavity of the heating box body 6. The left end wall and the right end wall of the heating box body 6 are both fixedly provided with heaters 63, and the heaters 63 are explosion-proof electric heating pipes 316 l. The heater 63 heats the air in the inner cavity of the heating box body 6, and the heater 63 uses an external power supply. The heater 63 may be explosion proof. The inner end of the heater 63 is fixedly provided with a heating pipe 64, the heating pipe 64 is used for heating the inner cavity of the heating box body 6, the outer end of the side wall of the heating pipe 64 is fixedly provided with a sealing sleeve 65, the sealing sleeve 65 is an aluminum alloy sealing sleeve 65, and gas leakage can be prevented through the sealing sleeve 65. The lower end of the membrane separator 7 is fixedly provided with a third communicating pipeline 10 and a second communicating pipeline 9 respectively, and the mixed gas is separated through the membrane separator 7, so that the hydrogen and the carbon monoxide are separated. The molecular sieve 12 and the lower end of the molecular sieve 12 are fixedly provided with an outflow pipe 13, the outflow pipe 13 penetrates through the lower end surface of the device shell 1, hydrogen in the inner cavity of the molecular sieve 12 is purified through the outflow pipe 13, and the hydrogen flows out through the outflow pipe 13. An intelligent control device 8 is fixedly arranged on the inner cavity wall of the device shell 1. The intelligent control device 8 is a ZR80 intelligent control device, the intelligent control device 8 is electrically connected in parallel with the air pressure sensor 66, the temperature sensor 67 and the heater 63, the pressure and the temperature of the inner cavity of the heating box body 6 are detected through the air pressure sensor 66 and the temperature sensor 67, and then the working power of the heater 63 is controlled through the intelligent control device 8, so that the gas flowing through the inner cavity of the heating box body 6 is kept between 60 degrees and 120 degrees, and the separation effect is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An apparatus for producing high purity hydrogen and carbon monoxide, comprising an apparatus housing (1), characterized in that: the device comprises a device shell (1), supporting legs (11) are fixedly mounted at four corners of the lower end face of the device shell (1), an air inlet pipe (2) is fixedly mounted at the upper end of the device shell (1), a gas-liquid separator (4), a heating box body (6), a membrane separator (7) and a molecular sieve (12) are sequentially and fixedly mounted in an inner cavity of the device shell (1) from top to bottom through fixing rods (3), a heat preservation layer (61) is fixedly mounted in the inner cavity of the heat preservation layer (61), an explosion-proof layer (62) is fixedly mounted on the inner end wall of the heat preservation layer (61), air pressure sensors (66) and temperature sensors (67) are fixedly mounted on the left side and the right side of the bottom of the inner cavity of the explosion-proof layer (62) respectively, heaters (63) are fixedly mounted on the left end wall and the right end, the lower end of the membrane separator (7) is respectively and fixedly provided with a third communicating pipeline (10) and a second communicating pipeline (9), the lower end of the molecular sieve (12) is fixedly provided with a rear outflow pipe (13), and the inner cavity wall of the device shell (1) is fixedly provided with an intelligent control device (8).

2. An apparatus for producing high purity hydrogen and carbon monoxide as defined in claim 1, wherein: the gas-liquid separator (4), the heating box body (6) and the membrane separator (7) are communicated through a first communicating pipeline (5).

3. An apparatus for producing high purity hydrogen and carbon monoxide as defined in claim 1, wherein: the lower end of the membrane separator (7) is communicated with the molecular sieve (12) through a second communication pipeline (9).

4. An apparatus for producing high purity hydrogen and carbon monoxide as defined in claim 1, wherein: the intelligent control device (8) is electrically connected in parallel with the air pressure sensor (66), the temperature sensor (67) and the heater (63).

5. An apparatus for producing high purity hydrogen and carbon monoxide as defined in claim 1, wherein: the outflow pipe (13) penetrates through the lower end face of the device shell (1).

Images