CN214087792U

CN214087792U - Pentaerythritol production wastewater pretreatment tank

Info

Publication number: CN214087792U
Application number: CN202023287982.7U
Authority: CN
Inventors: 马金芳; 杨国良; 范宇鹏; 马俊永; 王世永
Original assignee: Puyang Pengxin Chemical Co ltd
Current assignee: Puyang Pengxin Chemical Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-31
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a pentaerythritol production wastewater pretreatment tank, which comprises a fixed frame, wherein a tank body is fixedly connected at the inner side of the fixed frame, an upper cover is fixedly connected on the upper surface of the tank body, the inner wall of the upper cover is provided with a stirring device, the side wall of the tank body is fixedly connected with a water inlet pipe, the outer wall of the water inlet pipe is fixedly connected with a water inlet valve, the lower wall of the tank body is fixedly connected with a liquid discharge pipe, the outer wall of the liquid discharge pipe is fixedly connected with a liquid discharge valve, and the upper surface of the fixed frame is fixedly connected with a circulating device, the utility model can fully stir the wastewater through the arranged stirring device, fully fuse treatment additives and the wastewater, can very conveniently sample and detect the current state of the wastewater, and can also return the residual sample into the tank body again after the detection is finished, and the arranged circulating device can lead the wastewater to reciprocate from the upper layer to the lower layer, avoiding the phenomenon of delamination and simultaneously mixing with the treatment additive.

Description

Pentaerythritol production wastewater pretreatment tank

Technical Field

The utility model relates to a pentaerythritol technical field especially relates to a pentaerythritol production wastewater pretreatment tank.

Background

Pentaerythritol is mainly used in the paint industry, industrial production is realized by condensing pentaerythritol in an alkaline medium by formaldehyde and acetaldehyde abroad, with the continuous expansion of the application of pentaerythritol, the research on the synthesis process of pentaerythritol at home and abroad is not stopped, and the production technology is rapidly developed.

The waste water produced after the production of the waste water contains more harmful substances, is not easy to degrade and has toxicity, and causes great pollution to the environment, the waste water treatment is generally carried out by adopting catalytic oxidation at present, under the influence of high-concentration formaldehyde, hydrolytic acidification and microorganisms of SBR are difficult to normally survive and decompose pollutants, the subsequent treatment effect of the waste water is influenced, the waste water needs to be collected in advance, after the waste water is regulated for about three to five hours, alkali liquor such as sodium hydroxide, calcium hydroxide and the like is further used for carrying out chemical reaction with formaldehyde in the waste water, toxic substances such as formaldehyde and the like are greatly converted, pollutants which are difficult to degrade are converted into substances which are easy to degrade, however, the concentration is different during the early-stage pentaerythritol production, the waste water treatment time is different, the existing equipment is treated according to the same time, the condition of resource waste exists, and the existing device has no way of detecting the current state of the collected waste water at any time, the real-time detection of the pH value cannot completely represent the concentration of formaldehyde, a sample must be taken out for laboratory analysis and detection, the sample removing process of the conventional device is complex, and the sample cannot be returned to the tank body again, so that the pollution is caused by direct dumping.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pentaerythritol production wastewater pretreatment tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pentaerythritol waste water pretreatment tank, includes the mount, the inboard fixedly connected with jar body of mount, jar body upper surface fixedly connected with upper cover, the upper cover inner wall is provided with agitating unit, jar side wall fixedly connected with inlet tube, inlet tube outer wall fixedly connected with inlet valve, jar body lower wall fixedly connected with fluid-discharge tube, fluid-discharge tube outer wall fixedly connected with fluid-discharge valve, surface fixedly connected with circulating device on the mount, the one end fixed connection of the jar body is kept away from with the fluid-discharge tube in the circulating device import, jar side wall is provided with sampling device.

The stirring device comprises a motor, the motor is fixedly connected to the upper surface of the upper cover, the outer wall of the motor extension shaft penetrates through the upper cover, a stirring rod is fixedly connected to the end portion of the motor extension shaft, and stirring blades are fixedly connected to the outer wall of the stirring rod.

The circulating device comprises a circulating pump, the circulating pump is fixedly connected to the upper surface of the fixing frame, an inlet of the circulating pump is fixedly connected with the liquid discharge pipe, a three-way joint is fixedly connected to the outlet of the circulating pump, the other two outlets, far away from the circulating pump, of the three-way joint are fixedly connected with a return pipe and a water outlet pipe respectively, a water outlet valve is fixedly connected to the outer wall of the water outlet pipe, a return valve is fixedly connected to the outer wall of the return pipe, and the end, far away from the three-way joint, of the return pipe is fixedly connected with the tank body.

The sampling device comprises a sleeve and a plunger rod, the sleeve is fixedly connected to the side wall of the tank body, the outer wall of the sleeve penetrates through the side wall of the tank body, the plunger rod is connected to the inner wall of the sleeve in a sliding mode, a plunger head is fixedly connected to the end portion of the plunger rod, the outer wall of the plunger head is connected with the sleeve in a sliding mode, a liquid taking cavity is formed in the inner wall of the plunger head, an end cover is fixedly connected to the end portion, far away from the plunger head, of the plunger rod, and the outer wall of the end cover is rotatably connected with a handle.

The utility model discloses a cable splice, including a casing, the cover pipe inner wall is provided with first opening, second opening, first opening runs through sleeve pipe both sides inner wall, the second opening runs through sleeve pipe unilateral inner wall, first opening sets up the sleeve pipe and stretches into the position at jar internal side, the position in jar external side is stayed at the sleeve pipe to the second opening setting, second opening inner wall joint has the head, jar side wall fixedly connected with hangers, the rope is hung to fixedly connected with between hangers, the head.

A first sealing ring is arranged between the sleeve and the plunger rod, a second sealing ring and a third sealing ring are arranged between the sleeve and the plunger head, and the second sealing ring and the third sealing ring are arranged on two sides of the liquid taking cavity.

The utility model discloses following beneficial effect has:

compared with the prior art, this pentaerythritol waste water pretreatment tank, through the agitating unit who sets up, can be abundant stir waste water and handle, let handle additive and waste water and fully fuse, the sampling device who sets up can be very convenient carry out the sample detection waste water current state, and in the remaining sample can also return to the jar body once more after the detection, the circulating device who sets up can let waste water upper and lower layer circulation reciprocal, avoid the layering phenomenon, simultaneously with handle the additive intensive mixing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pentaerythritol production wastewater pretreatment tank;

FIG. 2 is an enlarged view of a portion 1-A of a pentaerythritol production wastewater pretreatment tank;

FIG. 3 is a sectional view showing the overall construction of a wastewater pretreatment tank for pentaerythritol production;

FIG. 4 is an enlarged partial view of FIG. 3-B of a pentaerythritol production wastewater pretreatment tank;

FIG. 5 is a sectional view of a sleeve structure of a pentaerythritol production wastewater pretreatment tank;

fig. 6 is a schematic diagram of a plunger rod structure of a pentaerythritol production wastewater pretreatment tank.

Illustration of the drawings:

1. a fixed mount; 2. a tank body; 3. a motor; 4. a water inlet pipe; 5. a water inlet valve; 6. a liquid discharge pipe; 7. a drain valve; 8. a circulation pump; 9. a three-way joint; 10. a return pipe; 11. a reflux valve; 12. a water outlet pipe; 13. a water outlet valve; 14. a sleeve; 15. a plunger rod; 16. a handle; 17. an end cap; 18. sealing the end; 19. hanging a rope; 20. hanging a lug; 21. a stirring rod; 22. stirring blades; 23. a first seal ring; 24. a second seal ring; 25. a third seal ring; 26. a first opening; 27. a second opening; 28. a liquid taking cavity; 29. a plunger head; 30. and (7) covering.

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.

Referring to fig. 1-6, a pentaerythritol production wastewater pretreatment tank: including mount 1, the 1 inboard fixedly connected with jar body 2 of mount, fixed surface is connected with upper cover 30 on the 2 jar bodies, the 30 inner walls of upper cover are provided with agitating unit, the 2 lateral wall fixedly connected with inlet tube 4 of the jar body, inlet tube 4 outer wall fixedly connected with inlet valve 5, jar body 2 lower wall fixedly connected with fluid-

discharge tube

6, 6 outer wall fixedly connected with flowing back valve 7 of fluid-discharge tube, fixed surface is connected with circulating device on the 1 mount, the one end fixed connection of jar body 2 is kept away from with flowing back tube 6 in the circulating device import, the 2 lateral walls of jar body are provided with sampling device.

Agitating unit includes

motor

3, and 3 fixed connection of motor are at the 30 upper surfaces of upper cover, and motor 3 stretches out an outer wall and runs through upper cover 30, and motor 3 stretches out a tip fixedly connected with puddler 21, and 21 outer walls fixedly connected with stirring leaf 22 of puddler stir, and it stirs to drive puddler 21 and stirring leaf 22 through motor 3.

Circulating device includes circulating pump 8, circulating pump 8 fixed connection is on 1 upper surface of mount, 8 import of circulating pump and 6 fixed connection of fluid-discharge tube, 8 export fixedly connected with three way connection 9 of circulating pump, two other exports that three way connection 9 kept away from circulating pump 8 are fixedly connected with back flow 10 respectively, outlet pipe 12 outer wall fixedly connected with outlet valve 13, back flow 10 outer wall fixedly connected with backward flow valve 11, the tip and the jar body 2 fixed connection of three way connection 9 are kept away from to back flow 10, the circulating device of setting can let waste water upper and lower layer circulation reciprocal, avoid the layering phenomenon, simultaneously with the additive intensive mixing of handling.

Sampling device includes sleeve pipe 14, plunger rod 15, sleeve pipe 14 fixed connection is at jar body 2 lateral walls, sleeve pipe 14 outer wall runs through jar body 2 lateral walls, 15 sliding connection of plunger rod are at sleeve pipe 14 inner wall, 15 end fixedly connected with plunger head 29 of plunger rod, plunger head 29 outer wall and sleeve pipe 14 sliding connection, plunger head 29 inner wall is provided with gets liquid chamber 28, plunger rod 15 keeps away from the end fixedly connected with end cover 17 of plunger head 29, end cover 17 outer wall rotates and is connected with handle 16, the sampling device of setting can be very convenient carry out the sample detection waste water current state, and after the detection end the residual sample can also return to jar body 2 once more in.

The sleeve pipe 14 inner wall is provided with first opening 26, second opening 27, first opening 26 runs through sleeve pipe 14 both sides inner wall, second opening 27 runs through sleeve pipe 14 unilateral inner wall, first opening 26 sets up sleeve pipe 14 and stretches into the position at jar body 2 inboard, second opening 27 sets up the position of staying the jar body 2 outside at sleeve pipe 14, second opening 27 inner wall joint has head 18, jar body 2 lateral wall fixedly connected with hangers 20, fixedly connected with string 19 between the head 18, second opening 27 can be sealed after the sample to head 18, avoid formaldehyde diffusion, it can avoid head 18 to lose to hang rope 19.

A first sealing ring 23 is arranged between the sleeve 14 and the plunger rod 15, a second sealing ring 24 and a third sealing ring 25 are arranged between the sleeve 14 and the plunger head 29, the second sealing ring 24 and the third sealing ring 25 are arranged on two sides of the liquid taking cavity 28, the plunger rod 15 is tightly matched with the sleeve 14 through three groups of sealing rings, and the plunger rod 15 is pulled by the handle 16 manually and cannot be extruded and moved by internal pressure.

The working principle is as follows: opening the water inlet valve 5, the liquid discharge valve 7 and the reflux valve 11, closing the water outlet valve 13, injecting wastewater, alkali liquor such as sodium hydroxide and calcium hydroxide through the water inlet pipe 4, driving the stirring rod 21 to stir through the motor 3, performing reciprocating circulation and full mixing through the circulating pump 8, pulling the handle 16, outwards pulling out the plunger rod 15, taking down the seal head 18, sucking a sample in the liquid taking cavity 28 by using an injector to check, simultaneously covering the seal head 18, pouring a residual sample into the liquid taking cavity 28 after the detection is finished, covering the seal head 18, inwards pushing the plunger rod 15, returning the residual sample into the tank body 2 through the first opening 26, closing the reflux valve 11, opening the water outlet valve 13 and discharging through the water outlet pipe 12 after the detection shows that the sample reaches the standard.

Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pentaerythritol production wastewater pretreatment tank, includes mount (1), its characterized in that: the utility model discloses a sewage treatment device, including mount (1), the inboard fixedly connected with jar body (2) of mount (1), fixed surface is connected with upper cover (30) on the jar body (2), upper cover (30) inner wall is provided with agitating unit, jar body (2) lateral wall fixedly connected with inlet tube (4), inlet tube (4) outer wall fixedly connected with inlet valve (5), jar body (2) lower wall fixedly connected with fluid-discharge tube (6), fluid-discharge tube (6) outer wall fixedly connected with fluid-discharge valve (7), fixed surface is connected with circulating device on mount (1), the one end fixed connection of the jar body (2) is kept away from with fluid-discharge tube (6) in the circulating device import, jar body (2) lateral wall is provided with sampling device.

2. The pentaerythritol production wastewater pretreatment tank according to claim 1, characterized in that: the stirring device comprises a motor (3), the motor (3) is fixedly connected to the upper surface of the upper cover (30), the motor (3) extends out of the outer wall of the shaft and penetrates through the upper cover (30), the motor (3) extends out of the end part of the shaft and is fixedly connected with a stirring rod (21), and the outer wall of the stirring rod (21) is fixedly connected with a stirring blade (22).

3. The pentaerythritol production wastewater pretreatment tank according to claim 1, characterized in that: circulating device includes circulating pump (8), circulating pump (8) fixed connection is on mount (1) upper surface, circulating pump (8) import and fluid-discharge tube (6) fixed connection, circulating pump (8) export fixedly connected with three way connection (9), two other exports that circulating pump (8) were kept away from in three way connection (9) are fixedly connected with back flow (10), outlet pipe (12) respectively, outlet pipe (12) outer wall fixedly connected with outlet valve (13), back flow (10) outer wall fixedly connected with backward flow valve (11), the tip and the jar body (2) fixed connection that three way connection (9) were kept away from in back flow (10).

4. The pentaerythritol production wastewater pretreatment tank according to claim 1, characterized in that: sampling device includes sleeve pipe (14), plunger rod (15), sleeve pipe (14) fixed connection is at jar body (2) lateral wall, the jar body (2) lateral wall is run through to sleeve pipe (14) outer wall, plunger rod (15) sliding connection is in sleeve pipe (14) inner wall, plunger rod (15) tip fixedly connected with plunger head (29), plunger head (29) outer wall and sleeve pipe (14) sliding connection, plunger head (29) inner wall is provided with gets liquid chamber (28), the tip fixedly connected with end cover (17) of plunger head (29) are kept away from in plunger rod (15), end cover (17) outer wall rotates and is connected with handle (16).

5. The pentaerythritol production wastewater pretreatment tank according to claim 4, characterized in that: sleeve pipe (14) inner wall is provided with first opening (26), second opening (27), sleeve pipe (14) both sides inner wall is run through in first opening (26), second opening (27) run through sleeve pipe (14) unilateral inner wall, first opening (26) set up sleeve pipe (14) and stretch into the position at jar body (2) inboard, second opening (27) set up the position of staying in jar body (2) outside at sleeve pipe (14), second opening (27) inner wall joint has head (18), jar body (2) lateral wall fixedly connected with hangers (20), fixedly connected with string rope (19) between hangers (20), head (18).

6. The pentaerythritol production wastewater pretreatment tank according to claim 5, characterized in that: a first sealing ring (23) is arranged between the sleeve (14) and the plunger rod (15), a second sealing ring (24) and a third sealing ring (25) are arranged between the sleeve (14) and the plunger head (29), and the second sealing ring (24) and the third sealing ring (25) are arranged on two sides of the liquid taking cavity (28).