Water-gas separator of sewage suction truck

By designing a water-gas separator in the vacuum truck and utilizing a centrifugal separation cylinder and a pressurization box, the problem of low ammonia recovery efficiency in the vacuum truck was solved, achieving dry storage of the gas and efficient recovery and utilization of ammonia.

CN223697116UActive Publication Date: 2025-12-23HUBEI WANGLONG SPECIAL PURPOSE VEHICLE CO LTD
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Patent Information

Application Number
CN202423092485.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-23
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing vacuum trucks contain too much moisture in the gas produced by sewage, resulting in low efficiency in ammonia recovery and utilization, and making it difficult to effectively pressurize and store the ammonia.

Method used

Design a water-gas separator for a vacuum truck. It uses the conical thread and centrifugal force inside the separator cylinder to separate the water in the gas. Combined with a pressurization box to store dry ammonia, the airflow is driven by a fan to spiral down and separate the water. The subsequent pressurization box converts the ammonia into a liquid state for easy storage.

Benefits of technology

It effectively separates moisture from the gas, keeps the gas dry, improves the efficiency of ammonia recovery and utilization, and stores ammonia in a liquid state under pressure for easy storage and recycling.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223697116U_ABST
    Figure CN223697116U_ABST
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Abstract

The utility model relates to the technical field of sewage suction trucks, and discloses a water-gas separator of a sewage suction truck, which comprises a sewage storage tank, an exhaust pipe is fixedly sleeved on the upper part of an inner cavity of the sewage storage tank, a fan is fixedly sleeved on the exhaust pipe, a separation cylinder is fixedly sleeved on the exhaust pipe and is positioned on the right side of the fan, and the separation cylinder is fixedly sleeved on the inner cavity of the sewage storage tank. The bottom of the separation barrel is fixedly connected to the upper portion of an inner cavity of the sewage storage tank in a sleeving mode, a fixing pipe is fixedly installed at the top of the inner cavity of the separation barrel, a first through opening is formed in the right portion of the fixing pipe, a channel is formed in the separation barrel, the left end of the channel is fixedly connected with the first through opening, and the right end of the channel is fixedly connected with an exhaust pipe. A cone is fixedly connected to the outer side of the fixed pipe in a sleeving mode, threads are formed in the cone, gas is introduced into the separation barrel, gas flow spirally descends through the threads on the cone, under the action of centrifugal force and gravity, water in the gas is fully separated, ammonia gas in the gas is kept dry, and the recycling efficiency of the ammonia gas by the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sewage suction truck technical field especially relates to a sewage suction truck's water gas separator. BACKGROUND

[0002] The sewage suction truck is a new type of sanitation vehicle for collecting, transferring, cleaning and transporting sludge and sewage to avoid secondary pollution. The sewage suction truck can suck and discharge by itself, has fast working speed, large capacity and convenient transportation, and is suitable for collecting and transporting liquid substances such as excrement, slurry and crude oil. The sewage suction truck adopts a domestic leading sewage suction truck vacuum pump, has large suction force and long suction distance, and is particularly suitable for sucking, transporting and discharging accumulated substances in sewers, especially large objects such as sewer slurry, silt, stones and bricks.

[0003] In the prior art, when the sewage suction truck stores sewage, the sewage will produce gas, and the main component of the gas is ammonia. The ammonia can be recycled and utilized, but the gas is often very humid and contains a large amount of water. Too much water will absorb the ammonia in the gas, which reduces the recycling efficiency of the ammonia and is not conducive to subsequent pressurized storage of the gas. Therefore, to solve the above problems, the utility model provides a sewage suction truck water gas separator. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a sewage suction truck water gas separator. The gas is introduced into the separation cylinder, the airflow spirally descends through the threads on the cone, and under the action of centrifugal force and gravity, the water in the gas is fully separated, the gas produced by the sewage is not too humid, too much water is prevented from absorbing the ammonia in the gas, the gas remains dry, which is conducive to subsequent pressurized storage of the gas and promotes the recycling efficiency of the ammonia by the lifting device.

[0005] The utility model provides following technical scheme: A kind of water-gas separator of sewage suction truck, including sewage storage tank, the upper portion of the sewage storage tank inner cavity is fixedly sleeved with exhaust pipe, fan is fixedly sleeved on the exhaust pipe, separation cylinder is fixedly sleeved with the right of fan on the exhaust pipe, the upper portion of the sewage storage tank inner cavity is fixedly sleeved in separation cylinder bottom, fixed tube is fixedly installed at the top of the separation cylinder inner cavity, the right part of the fixed tube is equipped with throughport one, channel is equipped in the separation cylinder, the left end of the channel is fixedly connected with throughport one, the right end of the channel is fixedly connected with exhaust pipe, vertebral body is fixedly sleeved with the outside of the fixed tube, thread is equipped on the vertebral body, the front portion of the fixed tube and the right below vertebral body is equipped with throughport two, fixed plate is fixedly installed in the separation cylinder inner cavity, the upper portion of the fixed plate is fixedly connected with the bottom end of fixed tube, throughport three is equipped in the junction of the fixed plate and separation cylinder, the number of throughport three is two and left-right symmetrical distribution, gas is passed into separation cylinder, air current spirally drops by thread on vertebral body, under the action of centrifugal force and gravity, water in gas is fully separated, ammonia in gas is kept dry, promote the recycling efficiency of ammonia of lifting device.

[0006] Preferably, the right end of the exhaust pipe is fixedly installed with a pressurizing box, the pressurizing box is fixedly installed on the upper portion of the sewage storage tank, a valve one is fixedly installed on the front portion of the pressurizing box, an upper pipeline is fixedly sleeved on the left of the exhaust pipe on the upper portion of the sewage storage tank inner cavity, a cover plate is movably connected with the upper portion of the upper pipeline through a shaft, the dried gas enters the pressurizing box through the exhaust pipe, since the gas is mostly ammonia, the pressurizing box is used to pressurize the gas, so that the ammonia becomes liquid state for storage, and the ammonia can be recycled by opening the valve one.

[0007] Preferably, a heat preservation layer is fixedly installed on the inner wall of the cavity of the sewage storage tank, a heater is fixedly installed on the bottom of the sewage storage tank inner cavity, the number of the heaters is two and front-back symmetrical distribution, a sewage suction pipe is fixedly sleeved on the front portion of the sewage storage tank inner cavity, when the sewage is stored in the sewage storage tank, the heater is used for heating, and the heat preservation layer is used for heat preservation, so that the temperature in the sewage storage tank inner cavity is maintained within a certain range, so that the microorganisms in it can grow and reproduce quickly, which is beneficial to the decomposition of the sewage by the microorganisms, and the rate of gas release of the sewage is improved.

[0008] Preferably, a valve two is fixedly installed at the connection between the sewage storage tank and the sewage suction pipe, a pump is fixedly sleeved on the other end of the sewage suction pipe, a support seat is fixedly installed on the bottom of the sewage storage tank, a transport vehicle is fixedly installed on the bottom of the support seat, the device is moved to the designated position by the transport vehicle, so that the flexibility of the device is improved, the sewage suction operation is performed by opening the valve two, the pump and the sewage suction pipe.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] 1、By the fan driven dirt generated gas into the separation cylinder inside, airflow through the screw on the cone, so that the airflow spiral down, under the action of centrifugal force and gravity, the water in the gas separation, water falling to the fixed plate and from the three mouth flow out, finally from the separation cylinder bottom re-enter the storage tank cavity, dry gas through the mouth two into the fixed tube cavity and use the mouth one discharge, and then use the channel and exhaust pipe into the subsequent processing mechanism, effectively avoid the dirt generated gas containing a large amount of water, prevent too much water absorption of ammonia gas in the gas, so that the gas remains dry, conducive to the subsequent gas compression storage, promote the lifting device to the recovery and utilization efficiency of ammonia gas.

[0011] 2、Dry gas into the pressurizing box, because the gas is mostly ammonia, using pressurizing box to pressurize the gas, so that the ammonia gas into liquid state for storage, by opening the valve one can be recycled and utilized when the dirt stored in the storage tank, through the heater heating, and using the heat preservation layer for heat preservation, so that the temperature in the storage tank cavity is maintained within a certain range, so that the microorganisms in it can grow and reproduce quickly, conducive to the decomposition of microorganisms on the dirt, at the same time, the rate of gas released by the dirt is improved, the decomposed dirt forms fertilizer, which is convenient for reuse. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the schematic diagram of the external structure of the utility model;

[0013] Figure 2 It is the schematic diagram of the water vapor separation structure section;

[0014] Figure 3 It is the schematic diagram of the fixed tube section structure of the water vapor separation structure;

[0015] Figure 4 It is the schematic diagram of the storage tank section structure.

[0016] In the drawing: 1, the storage tank; 2, the exhaust pipe; 3, the fan; 4, the separation cylinder; 5, the fixed tube; 6, the mouth one; 7, the channel; 8, the cone; 9, the screw; 10, the mouth two; 11, the fixed plate; 12, the mouth three; 13, the pressurizing box; 14, the valve one; 15, the upper pipe; 16, the cover plate; 17, the heat preservation layer; 18, the heater; 19, the dirt suction pipe; 20, the valve two; 21, the pump; 22, the support seat; 23, the transport vehicle. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] Please refer to Figures 1-4 The water-gas separator of the sewage suction truck comprises a sewage storage tank 1, an exhaust pipe 2 fixedly sleeved at the upper portion of the inner cavity of the sewage storage tank 1, a fan 3 fixedly sleeved on the exhaust pipe 2, a separation cylinder 4 fixedly sleeved on the exhaust pipe 2 and located right in front of the fan 3, the separation cylinder 4 being fixedly sleeved at the bottom of the inner cavity of the sewage storage tank 1, a fixed pipe 5 fixedly installed at the top of the inner cavity of the separation cylinder 4, a through opening one 6 being formed at the right portion of the fixed pipe 5, a channel 7 being formed in the separation cylinder 4, the left end of the channel 7 being fixedly connected with the through opening one 6, the right end of the channel 7 being fixedly connected with the exhaust pipe 2, a vertebral body 8 fixedly sleeved outside the fixed pipe 5, threads 9 being formed on the vertebral body 8, a through opening two 10 being formed at the front portion of the fixed pipe 5 and located right below the vertebral body 8, a fixed plate 11 fixedly installed in the inner cavity of the separation cylinder 4, the upper portion of the fixed plate 11 being fixedly connected with the bottom end of the fixed pipe 5, a through opening three 12 being formed at the connection between the fixed plate 11 and the separation cylinder 4, the number of the through opening three 12 being two and symmetrically distributed left and right, the gas generated by the sewage entering the exhaust pipe 2 and entering the inner cavity of the separation cylinder 4 under the driving action of the fan 3, the airflow spirally descending through the threads 9 on the vertebral body 8, the water in the gas being separated under the action of centrifugal force and gravity, the water falling on the fixed plate 11 and flowing out from the through opening three 12, and finally re-entering the inner cavity of the sewage storage tank 1 from the bottom of the separation cylinder 4, the gas spirally rotating and entering the inner cavity of the fixed pipe 5 through the through opening two 10 and being discharged through the through opening one 6, the dried gas entering the subsequent processing mechanism through the channel 7 and the exhaust pipe 2, effectively avoiding that the gas generated by the sewage contains a large amount of water, preventing the excessive water from absorbing ammonia in the gas, keeping the gas dry, being beneficial to the subsequent pressurized storage of the gas, and promoting the recycling efficiency of the ammonia by the lifting device.

[0019] The right end of the exhaust pipe 2 is fixedly installed with a pressurizing box 13, the pressurizing box 13 is fixedly installed on the upper portion of the sewage storage tank 1, the front portion of the pressurizing box 13 is fixedly installed with a valve one 14, the dried gas enters the pressurizing box 13, since the gas is mostly ammonia gas, the pressurizing box 13 is used for pressurizing the gas, so that the ammonia gas becomes liquid state and is convenient to store, the ammonia gas can be recycled by opening the valve one 14, the upper portion of the inner cavity of the sewage storage tank 1 and the right side of the exhaust pipe 2 are fixedly sleeved with an upper pipeline 15, the upper portion of the upper pipeline 15 is movably connected with a cover plate 16 through a shaft, the inner wall of the cavity of the sewage storage tank 1 is fixedly installed with a heat preservation layer 17, the bottom of the inner cavity of the sewage storage tank 1 is fixedly installed with a heater 18, the number of the heater 18 is two and they are symmetrically distributed, the front portion of the inner cavity of the sewage storage tank 1 is fixedly sleeved with a sewage suction pipe 19, the connection portion of the sewage storage tank 1 and the sewage suction pipe 19 is fixedly installed with a valve two 20, the other end of the sewage suction pipe 19 is fixedly sleeved with a pump 21, the bottom of the sewage storage tank 1 is fixedly installed with a support seat 22, the bottom of the support seat 22 is fixedly installed with a transport vehicle 23, when the transport vehicle 23 stops at the designated position, the valve two 20 and the pump 21 are opened and the sewage suction operation is performed through the sewage suction pipe 19, when the sewage is stored in the sewage storage tank 1, the sewage is heated through the heater 18 and is heat preserved through the heat preservation layer 17, so that the temperature in the inner cavity of the sewage storage tank 1 is maintained within a certain range, so that the microorganisms in it can grow and reproduce quickly, which is beneficial to the decomposition of the sewage by the microorganisms and improves the rate of gas release of the sewage, the decomposed sewage forms fertilizer and is convenient to reuse.

[0020] Working principle: when the transport vehicle 23 stops at the designated position, the valve two 20 and the pump 21 are opened and the sewage suction operation is performed through the sewage suction pipe 19, when the sewage is stored in the sewage storage tank 1, the sewage is heated through the heater 18, so that the temperature in the inner cavity of the sewage storage tank 1 is suitable for the growth and reproduction of microorganisms, the sewage is heat preserved through the heat preservation layer 17, the gas generated by the sewage enters the exhaust pipe 2, under the driving action of the fan 3, enters the inner cavity of the separation cylinder 4, the airflow spirally descends through the threads 9 on the cone body 8, under the action of centrifugal force and gravity, the water in the gas is separated, the water falls on the fixed plate 11 and flows out from the through port three 12, finally reenters the inner cavity of the sewage storage tank 1 from the bottom of the separation cylinder 4, the gas spirally rotates and enters the inner cavity of the fixed pipe 5 through the through port two 10 and is discharged through the through port one 6, the dried gas enters the pressurizing box 13 through the channel 7 and the exhaust pipe 2, since the gas is mostly ammonia gas, the pressurizing box 13 is used for pressurizing the gas, so that the ammonia gas becomes liquid state and is convenient to store, the ammonia gas can be recycled by opening the valve one 14.

Claims

1. A water-air separator of a suction cleaner comprising a tank (1) for collecting sewage, characterized in that: The inner cavity of the sewage storage tank (1) is fixedly sleeved with an exhaust pipe (2) at the upper part, the exhaust pipe (2) is fixedly sleeved with a fan (3), the exhaust pipe (2) is fixedly sleeved with a separation cylinder (4) at the right side of the fan (3), the separation cylinder (4) is fixedly sleeved at the bottom of the inner cavity of the sewage storage tank (1), the inner cavity of the separation cylinder (4) is fixedly installed with a fixed pipe (5) at the top, the fixed pipe (5) is provided with a through hole I (6) at the right part, the separation cylinder (4) is provided with a channel (7), the left end of the channel (7) is fixedly connected with the through hole I (6), the right end of the channel (7) is fixedly connected with the exhaust pipe (2), the fixed pipe (5) is fixedly sleeved with a vertebral body (8) outside, the vertebral body (8) is provided with a thread (9), the fixed pipe (5) is provided with a through hole II (10) at the front part below the vertebral body (8), the inner cavity of the separation cylinder (4) is fixedly installed with a fixed plate (11), the upper part of the fixed plate (11) is fixedly connected with the bottom end of the fixed pipe (5), the fixed plate (11) is provided with a through hole III (12) at the connection with the separation cylinder (4), the number of the through hole III (12) is two and they are symmetrically distributed.

2. A water-air separator for a sewer vacuum truck according to claim 1, characterized in that: The right end of the exhaust pipe (2) is fixedly installed with a pressurizing box (13), the pressurizing box (13) is fixedly installed on the upper part of the sewage storage tank (1), the front part of the pressurizing box (13) is fixedly installed with a valve I (14), the upper part of the inner cavity of the sewage storage tank (1) is fixedly sleeved with an upper pipeline (15) at the left side of the exhaust pipe (2), the upper part of the upper pipeline (15) is movably connected with a cover plate (16) through a shaft.

3. A water-air separator for a sewer vacuum truck as defined in claim 1, wherein: The cavity wall of the sewage storage tank (1) is fixedly installed with a heat preservation layer (17), the inner cavity of the sewage storage tank (1) is fixedly installed with a heater (18) at the bottom, the number of the heater (18) is two and they are symmetrically distributed, the inner cavity of the sewage storage tank (1) is fixedly sleeved with a sewage suction pipe (19) at the front part.

4. A water-air separator for a sewer vacuum truck according to claim 3, characterized in that: The sewage storage tank (1) is fixedly installed with a valve II (20) at the connection with the sewage suction pipe (19), the other end of the sewage suction pipe (19) is fixedly sleeved with a pump (21), the bottom of the sewage storage tank (1) is fixedly installed with a supporting seat (22), the bottom of the supporting seat (22) is fixedly installed with a transport vehicle (23).