CN110240962B

CN110240962B - Energy-saving marsh gas dehydration pretreatment equipment

Info

Publication number: CN110240962B
Application number: CN201910542896.9A
Authority: CN
Inventors: 舒泳军
Original assignee: Suzhou Pengyue Environmental Engineering Co ltd
Current assignee: SUZHOU PENGYUE ENVIRONMENTAL ENGINEERING Co.,Ltd.
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-09-15
Anticipated expiration: 2039-06-21
Also published as: CN110240962A

Abstract

The invention discloses an energy-saving methane dehydration pretreatment device, which comprises a gas storage tank, wherein the upper side of the gas storage tank is fixedly connected with an upright post, the upper end of the upright post is fixedly connected with a driving box, a driving cavity is arranged in the driving box, a sliding cavity is arranged in the driving cavity, and a replacing component is connected in the sliding cavity in a sliding way. High efficiency and convenience.

Description

Energy-saving marsh gas dehydration pretreatment equipment

Technical Field

The invention relates to the technical field of energy regeneration, in particular to energy-saving methane dehydration pretreatment equipment.

Background

In the process of producing the biogas by the anaerobic fermentation of organic matters, the biogas contains 5.98 percent of water vapor by weight, and when the biogas is used, the water vapor can cause the risks of fire explosion and the like, so that the potential safety hazard is high, and therefore, the water vapor in the biogas must be removed. In the prior art, water vapor in the biogas is absorbed by chemical reagents, although the dewatering effect is good, the chemical reagents are frequently required to be replaced, the maintenance is complex, the cost is high and energy is not enough, the dewatering efficiency is low, and by-products are generated in chemical reaction when the environmental conditions are changed, so that the environment is polluted and the environment is not environment-friendly. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

when the chemical method removes the moisture in the biogas, the chemical reagent needs to be replaced frequently, the cost is high, the dehydration environment needs to be controlled, and the energy consumption is high.

In order to solve the problems, the embodiment designs an energy-saving methane dewatering pretreatment device, the energy-saving methane dewatering pretreatment device of the embodiment comprises an air storage tank, a stand column is fixedly connected to the upper side of the air storage tank, a driving box is fixedly connected to the upper end of the stand column, a driving cavity is arranged in the driving box, a sliding cavity is arranged in the driving cavity, a replacing component is connected in the sliding cavity in a sliding mode, the replacing component is connected with a transmission shaft which is rotationally connected with the sliding cavity through a sliding ring in a sliding mode and bilaterally symmetrical, other part positions of the replacing device are connected through the left side and the right side, a pressurizing device is connected on the transmission shaft in a sliding mode, the pressurizing device is connected with a sliding barrel in a sliding mode through a piston which is fixedly connected with the sliding barrel far away from a symmetrical center end, the space volume is reduced, a condensing device is arranged on the sliding barrel, and, the condensation chamber is arranged in the dewatering tank and is in sliding connection with the piston, the pressure in the condensation chamber is enhanced through the piston, the inner wall of the lower end of the condensation chamber is communicated with a drainage valve, the upper side of the gas storage tank is fixedly connected with a water receiving tank positioned on the left side of the upright post, gas chambers which are bilaterally symmetrical are arranged in the gas storage tank, the upper end of each gas chamber is in sliding connection with a contact valve capable of conveying gas, the contact valves are symmetrically communicated with a gas inlet on the lifting cylinder through lifting cylinders in sliding connection with the inner wall of the top end of each gas chamber, valve pipes fixedly connected in the gas chambers and through holes communicated and connected with the gas inlet, and the through holes and the gas inlet are.

Preferably, the gas inside the gas cavity at the left end is biogas to be treated, and the gas inside the gas cavity at the right end is cold gas.

Wherein, change the subassembly including embedded in the servo motor of drive chamber upside terminal surface, servo motor power connection has the drive shaft, fixedly connected with runner in the drive shaft, be equipped with on the runner with except that water pitcher fixed connection and bilateral symmetry's connecting rod, fixedly connected with inclined fluted disc on the side inner wall around the drive chamber.

The pressurizing device comprises convex blocks which are arranged on the left end face of the driving cavity and are symmetrical up and down, and the sliding barrel is provided with a contact ring which is abutted to the convex blocks.

The condensing device comprises a bevel gear which is arranged on the transmission shaft and is in meshed connection with the bevel gear disc, a support which is arranged in the condensing cavity is arranged on the transmission shaft, a propeller is arranged on the support, the lower end of the condensing cavity is communicated with a gas pipe, and the upper end of the condensing cavity is communicated with a gas outlet pipe which is in sliding connection with the propeller.

The drainage valve comprises a drainage hole communicated with the lower end of the condensation cavity, a counterweight rod is connected in the drainage hole in a sliding mode, and a plug body for sealing the drainage hole is fixedly connected to the upper end of the counterweight rod.

The water receiving tank comprises a water storage tank fixedly connected to the upper end face of the gas storage tank, an inclined plane block abutted against the weight rod is arranged at the upper end of the water storage tank, and a water through hole communicated with the water storage tank is formed in the inclined plane block.

The contact valve comprises a ball body arranged at the lower end of the gas conveying pipe, a conveying cavity communicated with the gas conveying pipe is formed in the ball body, slideways connected with the valve pipe in a sliding mode are symmetrically arranged in the conveying cavity, a button is arranged at the upper end of the lifting cylinder, a groove abutted against the ball body is formed in the button, a sliding rod located on the anticlockwise side of the valve pipe is connected in the groove in a sliding mode, a sealing block abutted against the ball body is arranged on the sliding rod, and a compression spring is connected between the lower side of the sealing block and the inner wall of the bottom side of the groove.

Preferably, the upper side of the sealing block is provided with two arc surfaces which are bilaterally symmetrical, the two arc surfaces are connected with the ball body in a sliding manner, and one side of the slide way is sealed.

The invention has the beneficial effects that: the invention replaces the action of replacing reagents in the traditional chemistry by a rotary exchange structure, reduces the working procedures, avoids the problem of generating byproducts under the chemical treatment by adopting a condensation mode, realizes the automatic opening or closing of the air supply pipeline by utilizing a valve structure which is in contact with the sliding, ensures the safety of the equipment in the operation process, prevents accidents, adopts a spiral winding condensation plate structure, ensures that the gas can be fully contacted with a low-temperature wall body before being discharged, has different gases at left and right exchange positions, and adopts a mode of sequentially rotating to cool before biogas treatment according to the sequence, thereby being efficient and convenient.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of an energy-saving methane dehydration pretreatment device of the present invention;

FIG. 2 is an enlarged schematic view of "A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 2;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an energy-saving type methane dehydration pretreatment device which is mainly applied to the methane dehydration process, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to an energy-saving methane dewatering pretreatment device, which comprises a gas storage tank 11, wherein the upper side of the gas storage tank 11 is fixedly connected with an upright post 13, the upper end of the upright post 13 is fixedly connected with a driving box 36, a driving cavity 37 is arranged in the driving box 36, a sliding cavity 41 is arranged in the driving cavity 37, a replacing component 901 is connected in the sliding cavity 41 in a sliding way, the replacing component 901 is connected with a transmission shaft 28 which is rotationally connected with the sliding cavity 41 through a sliding ring 40 which is in sliding connection with the sliding ring 40 and is bilaterally symmetrical, a pressurizing device 902 is connected on the transmission shaft 28 in a sliding way through the positions of other parts of the left and right replacing devices 2, the pressurizing device 902 is fixedly connected with a piston 29 which is fixedly connected with the sliding barrel 30 through a sliding barrel 30 which is in sliding connection with the transmission shaft 28 and is far away from the symmetrical center, a condensing device 903 is arranged on the sliding barrel 30, the condensing, the condensation chamber 23 is arranged in the water removing tank 24 and is in sliding connection with the piston 29, the pressure in the condensation chamber 23 is enhanced through the piston 29, the inner wall of the lower end of the condensation chamber 23 is communicated with a water drainage valve 904, the upper side of the gas storage tank 11 is fixedly connected with a water receiving tank 905 positioned on the left side of the upright post 13, a gas chamber 12 which is symmetrical left and right is arranged in the gas storage tank 11, the upper end of the gas chamber 12 is in sliding connection with a contact valve 906 which can convey gas, the contact valve 906 is symmetrically communicated with a gas inlet 15 arranged on the lifting cylinder 17 through a lifting cylinder 17 which is in sliding connection with the inner wall of the top end of the gas chamber 12, a valve pipe 16 fixedly connected in the gas chamber 12 is arranged, a through hole 14 which is communicated with the gas inlet 15 is arranged.

Advantageously, the gas inside the gas chamber 12 at the left end is the biogas to be processed, and the gas inside the gas chamber 12 at the right end is cold gas, so as to ensure the constant temperature of the equipment.

According to an embodiment, the exchange assembly 901 is described in detail below, the exchange assembly 901 includes a servo motor 34 embedded in an upper end surface of the driving cavity 37, the servo motor 34 is dynamically connected with a driving shaft 32, a rotating wheel 33 is fixedly connected to the driving shaft 32, a connecting rod 31 which is fixedly connected with the dewatering tank 24 and is bilaterally symmetrical is arranged on the rotating wheel 33, and an oblique toothed disc 35 is fixedly connected to an inner wall of the driving cavity 37 on the front side and the rear side.

According to an embodiment, the pressurizing device 902 is described in detail below, the pressurizing device 902 includes a protrusion 42 that is disposed at a left end surface of the driving chamber 37 and is vertically symmetrical, the sliding barrel 30 is provided with a contact ring 38 that abuts against the protrusion 42, and the protrusion 42 pushes the contact ring 38 at the left side to move outward, thereby squeezing the space.

According to an embodiment, the condensing unit 903 is described in detail below, the condensing unit 903 includes a bevel gear 39 disposed on the transmission shaft 28 and engaged with the bevel gear disc 35, the transmission shaft 28 is provided with a support 27 located in the condensing cavity 23, the support 27 is provided with a propeller 26, the lower end of the condensing cavity 23 is communicated with an air pipe 19, the upper end of the condensing cavity 23 is communicated with an air outlet pipe 25 slidably connected with the propeller 26, and the air outlet pipe 25 is wound by the propeller 26 to ensure that condensed air can enter the air outlet pipe 25.

According to an embodiment, the following detailed description is provided for a drain valve 904, where the drain valve 904 includes a drain hole 21 disposed in the lower end of the condensation chamber 23, a weight rod 20 is slidably connected in the drain hole 21, and a plug 22 for closing the drain hole 21 is fixedly connected to the upper end of the weight rod 20.

According to an embodiment, the details of the water receiving tank 905 will be described below, the water receiving tank 905 includes a water storage tank 50 fixedly connected to the upper end surface of the air storage tank 11, an inclined block 51 abutting against the weight lever 20 is disposed at the upper end of the water storage tank 50, and a water through hole 52 communicating with the water storage tank 50 is disposed in the inclined block 51.

According to an embodiment, the contact valve 906 is described in detail below, the contact valve 906 includes a ball 43 disposed at the lower end of the gas pipe 19, a conveying cavity 44 communicated with the gas pipe 19 is disposed on the ball 43, slideways 49 slidably connected with the valve pipe 16 are symmetrically disposed in the conveying cavity 44, a button 18 is disposed at the upper end of the lifting cylinder 17, a groove 45 abutted against the ball 43 is disposed on the button 18, a sliding rod 48 located at the counterclockwise side of the valve pipe 16 is slidably connected in the groove 45, a sealing block 46 abutted against the ball 43 is disposed on the sliding rod 48, and a compression spring 47 is connected between the lower side of the sealing block 46 and the inner wall of the bottom side of the groove 45.

Advantageously, the upper side of the closing block 46 is provided with two arc surfaces which are bilaterally symmetrical, are in sliding connection with the ball 43, and close one side of the slideway 49, so that the sealing performance in the air supply stage is improved while the smooth movement is ensured.

The following describes in detail the use steps of an energy-saving biogas dewatering pretreatment device in conjunction with fig. 1 to 5:

the contact valve 906 works, the air pipe 19 rotates clockwise along with the position of the water removing tank 24, the groove 45 is pushed to move downwards through the ball 43, the compression spring 47 accumulates elastic potential energy, the air pipe abuts against the inner wall of the groove 45 after passing through the sealing block 46, the valve pipe 16 slides through the slide way 49 to enter the conveying cavity 44, at the moment, the groove 45 moves upwards under the elastic recovery of the compression spring 47, the button 18 moves downwards to enable the air inlet 15 to be communicated with the through hole 14 through the lifting cylinder 17, the gap of the slide way 49 is sealed by the inner wall of the groove 45 and the cambered surface of the sealing block 46, and air can sequentially pass through the air inlet 15, the through hole 14, the valve pipe 16, the conveying cavity 44 and the air pipe 19 from the air cavity 12 to enter the condensation cavity 23, so.

When the water removing tank works, the servo motor 34 is started to enable the rotating wheel 33 to rotate clockwise through the driving shaft 32, the connecting rod 31 drives the water removing tank 24 to rotate, after half a turn, the air pipe 19 can start the contact valve 906, the air cavity 12 at the left end can convey biogas through the working process of the contact valve 906, the air cavity 12 at the right end can convey cold air to cool the interior of the condensation cavity 23, the transmission shaft 28 can rotate through the meshing between the helical gear 39 and the helical gear disc 35 in the rotating process of the water removing tank 24, the propeller 26 is driven to rotate through the bracket 27, the biogas can be fully contacted with the propeller 26, the contact ring 38 at the left side is abutted against the raised blocks 42, the sliding barrel 30 and the piston 29 are pushed to move outwards, the space of the condensation cavity 23 is compressed, the internal pressure is increased to generate condensation, water is left in the condensation cavity 23, and the dehydrated biogas is discharged through the gas outlet pipe 25, in addition, during the rotation of the left water removal tank 24, the weight lever 20 abuts against the slope block 51 and is pushed to move upwards, so that the plug 22 is separated from the water discharge hole 21, and water flows into the water storage tank 50 from the water discharge hole 21 and the water through hole 52.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. An energy-saving methane dehydration pretreatment device comprises a gas storage tank; the upper side of the gas storage tank is fixedly connected with an upright post, the upper end of the upright post is fixedly connected with a driving box, a driving cavity is arranged in the driving box, a sliding cavity is arranged in the driving cavity, a replacing component is connected in the sliding cavity in a sliding mode, the replacing component is connected with a transmission shaft which is connected with the sliding cavity in a sliding mode through a sliding ring in a sliding mode and is in bilateral symmetry with the sliding ring in a rotating mode, and a pressurizing device is connected on the transmission shaft in a sliding; the pressurizing device is fixedly connected with the piston far away from the symmetrical center end of the sliding barrel through the sliding barrel in sliding connection with the transmission shaft, so that the space volume is reduced, the sliding barrel is provided with a condensing device, the condensing device is arranged in a water removing tank through the water removing tank in sliding connection with the sliding barrel and a condensing cavity in sliding connection with the piston, the pressure in the condensing cavity is enhanced through the piston, and the inner wall of the lower end of the condensing cavity is communicated with a water drainage valve; the upper side of the gas storage tank is fixedly connected with a water receiving tank positioned on the left side of the upright post, a bilateral symmetric gas cavity is arranged in the gas storage tank, the upper end of the gas cavity is connected with a contact valve capable of conveying gas in a sliding manner, the contact valve is provided with a gas inlet which is symmetrically communicated with the lifting cylinder through a lifting cylinder which is connected with the inner wall of the top end of the gas cavity in a sliding manner, a valve pipe fixedly connected in the gas cavity and a through hole which is communicated with the gas inlet are arranged, and the position change of the through hole and the gas inlet; the gas in the left end of the gas cavity is the biogas to be processed, and the gas in the right end of the gas cavity is cold air; the replacing component comprises a servo motor embedded in the upper side end face of the driving cavity, the servo motor is in power connection with a driving shaft, a rotating wheel is fixedly connected onto the driving shaft, connecting rods which are fixedly connected with the water removing tank and are symmetrical left and right are arranged on the rotating wheel, and inclined fluted discs are fixedly connected onto the inner walls of the front side and the rear side of the driving cavity; the pressurizing device comprises convex blocks which are arranged on the left end surface of the driving cavity and are symmetrical up and down, and a contact ring which is abutted against the convex blocks is arranged on the sliding barrel; the condensing device comprises a helical gear which is arranged on the transmission shaft and is in meshed connection with the helical gear disc, a support which is positioned in the condensing cavity is arranged on the transmission shaft, a propeller is arranged on the support, the lower end of the condensing cavity is communicated with a gas pipe, and the upper end of the condensing cavity is communicated with a gas outlet pipe which is in sliding connection with the propeller; the drainage valve comprises a drainage hole communicated with the lower end of the condensation cavity, a counterweight rod is connected in the drainage hole in a sliding manner, and the upper end of the counterweight rod is fixedly connected with a plug body for sealing the drainage hole; the water receiving tank comprises a water storage tank fixedly connected to the upper end face of the air storage tank, the upper end of the water storage tank is provided with an inclined plane block abutted against the weight lever, and a water through hole communicated with the water storage tank is formed in the inclined plane block; the contact valve comprises a ball body arranged at the lower end of the gas conveying pipe, a conveying cavity communicated with the gas conveying pipe is arranged on the ball body, slideways in sliding connection with the valve pipe are symmetrically communicated in the conveying cavity, a button is arranged at the upper end of the lifting cylinder, a groove in butt joint with the ball body is arranged on the button, a sliding rod positioned on the anticlockwise side of the valve pipe is connected in the groove in a sliding mode, a sealing block in butt joint with the ball body is arranged on the sliding rod, and a compression spring is connected between the lower side of the sealing block and the inner wall of the bottom side of the groove; the upper side of the sealing block is provided with two arc surfaces which are bilaterally symmetrical, and the two arc surfaces are connected with the ball body in a sliding manner and seal one side of the slide way.