CN211470128U - Clean condensate recovery device for glyoxylic acid production - Google Patents

Abstract

The utility model discloses a clean type comdenstion water recovery unit is used in glyoxylic acid production, comprising a base plate, comdenstion water recovery pump and water storage bucket are installed respectively to bottom plate top both sides, water storage barrel head portion is connected with the comdenstion water conveyer pipe, and the comdenstion water conveyer pipe outer end is connected with the comdenstion water recovery pump, the comdenstion water import is installed on the water storage bucket top, and is connected with the overflow pipe below the water storage bucket side, the comdenstion water export is installed to comdenstion water recovery pump side below, second pivot externally connected has the bearing, and the bearing outside has servo motor through. This water storage bucket inner wall of clean type comdenstion water recovery unit for glyoxylic acid production can clear up under the condition of not taking apart the water storage bucket, makes the water storage bucket can be clean when using. This water storage bucket internally mounted of clean type comdenstion water recovery unit is used in aldehydic acid production has the cleaning scraper blade with the inner wall laminating, and cleaning scraper blade can rotate along water storage bucket inner wall.

Description

Clean condensate recovery device for glyoxylic acid production

Technical Field

The utility model relates to a glyoxylic acid production technical field specifically is a clean type comdenstion water recovery unit is used in glyoxylic acid production.

Background

Glyoxylic Acid (GA), also known as glyoxylic acid or formaldehyde formate, is the simplest aldehyde acid, and has aldehyde and carboxyl functional groups in the molecule, thus having the properties of aldehyde and carboxylic acid and having various reactivity. Commercial glyoxylic acid is usually available in the form of its aqueous solution, which is currently generally 40% commercial. Glyoxylic acid has the structures of aldehyde and acid, has quite active chemical properties, is used as an important organic intermediate, and is continuously expanded in the application fields of medicines, pesticides, spices and the like. Glyoxylic acid is an important fine chemical raw material, and most of downstream products of glyoxylic acid are fine chemical products which are in high demand and have high added values, so the glyoxylic acid has good prospects and needs to pay attention to development. With the continuous reduction of the production cost of the glyoxylic acid, the continuous enhancement of the policy of environmental protection and the continuous improvement of the technology of the glyoxylic acid route, the adoption of the glyoxylic acid route is a necessary trend. Meanwhile, the quality of the glyoxylic acid must be considered in the development of downstream products of the glyoxylic acid, otherwise, the yield and the purity of the downstream products are seriously influenced. Along with the gradual maturity of the domestic glyoxylic acid production process in a few years, the supply and demand of glyoxylic acid products are gradually increased, and the glyoxylic acid can synthesize a plurality of fine chemicals and is widely applied to the industries of medicines, pesticides, spices, daily necessities, dyes, water treatment and the like. The glyoxylic acid needs to be subjected to heat exchange by using a condenser in the production process, and condensed water is generated in the heating and conveying process of steam, so that the glyoxylic acid not only has good water quality, but also contains a large amount of heat. The closed condensate water recovery device is a key device of a steam condensate water recovery system, and can be widely applied to the closed recovery of condensate water with a steam heat supply system in industrial enterprises of papermaking, chemical industry, food, pharmacy, grain and oil processing, rubber, cotton spinning, printing and dyeing, wood industry and other industries.

The water storage bucket of the existing condensed water recovery device is generally internally provided with a smooth inner wall, so that the situation that scale is easily accumulated on the inner wall after long-term use and is inconvenient to clean is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clean type comdenstion water recovery unit is used in glyoxylic acid production to the inconvenient problem of clearing up of the comdenstion water recovery unit's that provides water storage bucket inner wall in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clean condensate recovery device for glyoxylic acid production comprises a bottom plate, wherein a condensate recovery pump and a water storage barrel are respectively arranged on two sides of the top end of the bottom plate, a condensate conveying pipe is connected to the bottom of the water storage barrel, the outer end of the condensate conveying pipe is connected with the condensate recovery pump, a power steam conveying pipeline and a power steam muffler are respectively connected to two sides of the top end between the condensate recovery pump and the water storage barrel, a condensate inlet is arranged on the top end of the water storage barrel, an overflow pipe is connected to the lower part of the side edge of the water storage barrel, a condensate outlet is arranged below the side edge of the condensate recovery pump, a cleaning scraper is connected to the inner wall of the water storage barrel and has a shape like a Chinese character 'ji', the shape of the outer wall of the cleaning scraper is matched with the shape of the inner wall of the water storage barrel, a first rotating shaft and a, and the axis of water storage bucket and the axis coincidence of first pivot and second pivot, second pivot external connection has the bearing, and the bearing outside has servo motor through the coupling joint.

Preferably, the axial both sides of the water storage barrel are of an opening and closing structure through the flange plate, and the sealing rubber ring is arranged at the joint between the water storage barrel and the first rotating shaft and the joint between the water storage barrel and the second rotating shaft.

Preferably, a butterfly valve and a one-way check valve are installed on the condensed water delivery pipe.

Preferably, the outer end of the first rotating shaft is of a threaded structure, and the outer end of the first rotating shaft is connected with a positioning nut.

Preferably, a motor chamber is arranged outside the servo motor, a water storage barrel is connected to the side edge of the motor chamber, and a heat dissipation through hole is formed in the motor chamber.

Preferably, a prismatic groove is formed in the side edge of the second rotating shaft, and a bearing is embedded and connected in the groove of the second rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: this water storage bucket inner wall of clean type comdenstion water recovery unit for glyoxylic acid production can clear up under the condition of not taking apart the water storage bucket, makes the water storage bucket can be clean when using. This water storage bucket internally mounted of clean type comdenstion water recovery unit for aldehydic acid production has the cleaning scraper blade with the inner wall laminating, and cleaning scraper blade can rotate along water storage bucket inner wall to scrape down the incrustation scale on the water storage bucket inner wall, conveniently keep the clean of water storage bucket inner wall.

Drawings

FIG. 1 is a schematic structural view of a clean condensate recovery device for glyoxylic acid production according to the present invention;

FIG. 2 is a schematic view of the water storage barrel of the clean condensate recovery device for glyoxylic acid production;

fig. 3 is a schematic side view of the second rotating shaft of the clean condensate recovery device for glyoxylic acid production of the present invention.

In the figure: 1. the water storage bucket, 2, set nut, 3, power steam pipeline, 4, comdenstion water import, 5, overflow pipe, 6, power steam muffler, 7, comdenstion water recovery pump, 8, comdenstion water export, 9, comdenstion water conveyer pipe, 10, bottom plate, 11, cleaning scraper blade, 12, first pivot, 13, sealing rubber ring, 14, bearing, 15, motor room, 16, servo motor, 17, heat dissipation through-hole, 18, second pivot.

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. 1-3, the present invention provides a technical solution: a clean condensate recovery device for glyoxylic acid production comprises a bottom plate 10, a condensate recovery pump 7 and a water storage barrel 1 are respectively installed on two sides of the top end of the bottom plate 10, the two sides of the axial direction of the water storage barrel 1 are of an opening and closing structure through flange plates, sealing rubber rings 13 are installed at the joints between the water storage barrel 1 and a first rotating shaft 12 and a second rotating shaft 18, the structure enables the two sides of the axial direction of the water storage barrel 1 to be conveniently disassembled so as to be convenient for cleaning and installing a cleaning scraper 11, the sealing rubber rings 13 can increase the sealing performance of the joints between the water storage barrel 1 and the first rotating shaft 12 and the second rotating shaft 18, a condensate conveying pipe 9 is connected at the bottom of the water storage barrel 1, the outer end of the condensate conveying pipe 9 is connected with the condensate recovery pump 7, a butterfly valve and a one-way check valve are installed on the condensate conveying pipe, and can avoid the situation of backflow of condensed water through the one-way check valve, both sides of top between condensed water recovery pump 7 and water storage bucket 1 are connected with power steam conveying pipeline 3 and power steam muffler 6 respectively, the top of water storage bucket 1 is equipped with condensed water inlet 4, and the side of water storage bucket 1 is connected with overflow pipe 5, the side of condensed water recovery pump 7 is equipped with condensed water outlet 8, the inner wall of water storage bucket 1 is connected with cleaning scraper 11, and cleaning scraper 11 is "" shaped structure, and the shape of outer wall of cleaning scraper 11 is identical to the shape of inner wall of water storage bucket 1, both sides of cleaning scraper 11 are connected with first rotating shaft 12 and second rotating shaft 18 respectively, and first rotating shaft 12 and second rotating shaft 18 are all penetrated to the outside of water storage bucket 1, and the axis of water storage bucket 1 is coincident with the axis of first rotating shaft 12 and second rotating shaft 18, the outer end of first rotating shaft 12 is a screw, the outer end of the first rotating shaft 12 is connected with a positioning nut 2, the position of the first rotating shaft 12 can be fixed by the positioning nut 2, the condition of left-right shaking in the water storage barrel 1 can not occur, the side edge of the second rotating shaft 18 is internally provided with a prismatic groove, the groove of the second rotating shaft 18 is internally connected with a bearing 14 in an embedded mode, the second rotating shaft 18 and the second rotating shaft 18 are transversely connected in an embedded mode through the structure, the disassembly can be conveniently carried out, the bearing 14 is connected to the outer portion of the second rotating shaft 18, the servo motor 16 is connected to the outer portion of the bearing 14 through a coupler, the structure enables the cleaning scraper 11 to rotate along with the bearing 14 through the second rotating shaft 18 so as to scrape and rub the inner wall of the water storage barrel 1 to clean the inner wall of the water storage barrel 1, the end face of the cleaning scraper 11 can be stably kept through the connection of the first rotating shaft, 16 externally mounted of servo motor has motor room 15, and 15 sides of motor room are connected with water storage bucket 1 to the inside heat dissipation through-hole 17 of having seted up of motor room 15, this structure makes servo motor 16 can be protected fixedly by motor room 15, and the heat can distribute through heat dissipation through-hole 17 fast.

The working principle is as follows: when the clean condensate recovery device for glyoxylic acid production is used, firstly, a user can place the bottom plate 10 at a proper position to enable the condensate inlet 4 and the condensate outlet 8 to be respectively connected with corresponding pipelines, then the condensate is introduced into the water storage barrel 1 and enters the condensate recovery pump 7 through the condensate conveying pipe 9, the condensate recovery pump 7 can form a loop with the water storage barrel 1 through the power steam conveying pipe 3 and the power steam air return pipe 6 to recover the condensate, the redundant water in the water storage barrel 1 can be discharged through the overflow pipe 5, the condensate circulating in the condensate recovery pump 7 is conveyed to the next station through the condensate outlet 8, when the user needs to clean the inner wall of the water storage barrel 1, the servo motor 16 in the motor chamber 15 can be started to drive the bearing 14 to rotate, and the heat generated by the servo motor 16 can be dissipated through the heat dissipation through hole 17, then the second rotating shaft 18 outside the bearing 14 drives the cleaning scraper 11 to rotate along the inner wall of the water storage barrel 1 so as to scrape off the scale on the inner wall of the water storage barrel 1, the first rotating shaft 12 outside the cleaning scraper 11 can rotate on the side wall of the water storage barrel 1 together with the positioning nut 2 so as to support the end face of the cleaning scraper 11, and the sealing rubber ring 13 can keep the sealing performance of the side wall of the water storage barrel 1, thereby completing a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a clean type condensate recovery unit is used in glyoxylic acid production, includes bottom plate (10), its characterized in that: the device is characterized in that a condensate water recovery pump (7) and a water storage barrel (1) are respectively installed on two sides of the top end of the bottom plate (10), a condensate water conveying pipe (9) is connected to the bottom of the water storage barrel (1), the outer end of the condensate water conveying pipe (9) is connected with the condensate water recovery pump (7), a power steam conveying pipeline (3) and a power steam muffler (6) are respectively connected to two sides of the top end between the condensate water recovery pump (7) and the water storage barrel (1), a condensate water inlet (4) is installed at the top end of the water storage barrel (1), an overflow pipe (5) is connected to the lower portion of the side edge of the water storage barrel (1), a condensate water outlet (8) is installed below the side edge of the condensate water recovery pump (7), a cleaning scraper blade (11) is connected to the inner wall of the water storage barrel (1), the cleaning scraper blade (11, cleaning scraper blade (11) both sides outside is connected with first pivot (12) and second pivot (18) respectively, and first pivot (12) and second pivot (18) all run through to water storage bucket (1) outside to the axis of water storage bucket (1) and the axis coincidence of first pivot (12) and second pivot (18), second pivot (18) external connection has bearing (14), and bearing (14) outside has servo motor (16) through the coupling joint.

2. The clean condensate recovery device for glyoxylic acid production according to claim 1, characterized in that: the axial both sides of water storage bucket (1) are through the ring flange for the structure that opens and shuts, and water storage bucket (1) and first pivot (12) and second pivot (18) junction between the two all installs sealing rubber ring (13).

3. The clean condensate recovery device for glyoxylic acid production according to claim 1, characterized in that: and a butterfly valve and a one-way check valve are arranged on the condensed water conveying pipe (9).

4. The clean condensate recovery device for glyoxylic acid production according to claim 1, characterized in that: the outer end of the first rotating shaft (12) is of a threaded structure, and the outer end of the first rotating shaft (12) is connected with a positioning nut (2).

5. The clean condensate recovery device for glyoxylic acid production according to claim 1, characterized in that: servo motor (16) externally mounted has motor room (15), and motor room (15) side is connected with water storage bucket (1) to heat dissipation through-hole (17) have been seted up to motor room (15) inside.

6. The clean condensate recovery device for glyoxylic acid production according to claim 1, characterized in that: prismatic grooves are formed in the inner sides of the side edges of the second rotating shaft (18), and bearings (14) are connected to the inner portions of the grooves of the second rotating shaft (18) in an embedded mode.

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